小小探 发表于 2020-3-24 17:55:09

也就是A点所在的纬度圈长1公里

小小探 发表于 2020-3-24 17:55:32

这样也能成立

小小探 发表于 2020-3-24 17:56:27

南北半球应该都有符合这一点的地方吧(点A)吧

小小探 发表于 2020-3-24 17:58:24

so答案不唯一?

狂笑之人 发表于 2020-3-24 22:58:58

小小探 发表于 2020-3-24 17:58
so答案不唯一?

我的天,我居然忘了这个情况,谢谢补充

发表于 2020-3-25 05:43:38

FREE Audio Converter By Freemake

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CD Ripper, Audio Converter, Metadata Editor, and Disc Burner. Freemake Audio Converter converts practically all audio formats: MP3, AAC, M4A, WMA, OGG, FLAC, WAV, AMR, ADTS, AIFF, MP2, APE, DTS, M4R, AC3, VOC, etc. Transcode a number of music files without delay. All modern codecs are included: AAC, MP3, Vorbis, WMA Professional, WMA Lossless, FLAC.
The perfect WMA to MP3 converter, period. I have more than 10Gb of WMA recordsdata to convert to MP3. Your software is just making it a breeze. Having struggled with all the foremost "advisable online audio converter" freewares obtainable, I can say indisputably that yours is simply the very best for the task. Many thanks from France.
Now you possibly can convert audio tracks proper in your browser. It is fast, safe, and free. After importing files to transform, Hamster permits you to select any of the output formats from above or pick from a tool should you're undecided what format the file needs to be in.
The program locatesCUE information in the folder and suggests splitting the image to individual tracks if some are discovered. Rip audio from CDs in perfect digital quality online audio converter. Convert and encode audio files. Edit metadata of audio information. Burn audio CDs. Burn MP3 and information discs.
It is protected to say, no different audio software converts extra audio file codecs than EZ CD Audio Converter. If converting cd to mp3, flac to mp3, m4a to mp3, or wav to mp3, EZ CD Audio Converter is your best option. transfer all output MP3 information to the cloud.
The largest drawback with Zamzar is their 50 MB limit for supply recordsdata. While many audio information are smaller than this, some low compression formats can exceed this small restrict. For those who're looking for a easy program that works without the superior choices and complicated interfaces that some of these audio converter tools have, you may definitely like MediaHuman Audio Converter.

发表于 2020-3-25 05:44:35

Ac

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All-in-one audo converter software program. Convert videos to MP3, M4A or any other media format. Free Audio Converter supports over 500 fashionable and rare video formats: MP4, AVI, FLV, MKV, DVD, WMV, HD, H.264, MOV, VOB, SWF, TS, WebM, Xvid, and many others. Save soundtracks and extract music from video in seconds. Original audio quality is preserved.
I am dismayed to see CNET continuing to endorse and disseminate software program which they've been instructed by reviewers repeatedly is corrupt and corrupting. Clearly our warnings are neither learn nor checked nor believed. So, since we're not taken seriously, lads: here is the drill. (1) Run a full system scan on a new computer. Load whatever anti-virus software online audio converter you want (I exploit AVG and Avast) but remember to embrace too Malware Bytes and - say - Spyhunter. (2) Obtain anything from DVD Videosoft. The full Free Studio caboodle in case you like. (three) Run a full scan again.
Switch is among the most stable, easy-to-use, and complete multi format audio file converters available. Be aware: The installer for Freemake Audio Converter will try to put in another program that is unrelated to the converter, so be sure you uncheck that choice before finishing setup if you don't want it added to your pc.
The program locatesCUE information within the folder and suggests splitting the image to individual tracks if some are found. Rip audio from CDs in good digital quality audio converter online. Convert and encode audio files. Edit metadata of audio recordsdata. Burn audio CDs. Burn MP3 and knowledge discs.
This can be a lossless audio converter. Each format is provided with a profile package and a preset editor. You possibly can create new presets, delete and edit the old ones, and modify the audio converter settings and parameters. This audio converter has flexible settings.
It is the finest MP3 converter on the web. FileZigZag is a web based audio converter service that may convert most common audio codecs, as long as they don't exceed one hundred eighty MB. WMA, OGG, FLAC, WAV. Fairly possibly the very best free audio converter accessible, Freemake Audio Converter is certainly the easiest to use. Extremely really useful”.

发表于 2020-3-25 05:45:26

Online Audio Converter (MP3, WAV, Ogg, WMA, M4A, AAC) Media.io

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An audio conversion app (often known as an audio converter) transcodes one audio file format into one other; for instance, from FLAC into MP3 It may enable number of encoding parameters for each of the output file to optimize its quality and size. We at present assist more than 50 source formats. You may as well extract audio from video. The most typical supply formats are: OGG to MP3, AMR to MP3, WMV to MP3, WMA to MP3, WAV to MP3, FLV to MP3, MOV to MP3, RAM to MP3, PCM, ALAC, EAC-three, FLAC, VMD and more. Simply upload your file and take a look at. If it does not work for your file, please tell us so we can add an MP3 converter for you.
With fre:ac you simply rip your audio CDs to MP3 or WMA files for use together with your hardware participant or convert recordsdata that do audio converter not play with different audio software program. You'll be able to even convert whole music libraries retaining the folder and filename construction.
Output choices: Via this program, you possibly can convert recordsdata to MP3, M4A, FLAC, ALAC, AMR, WAV, WMA, and a number of other more. You may as well select the output high quality, with options together with Unique, LAME Insane, LAME Extreme, LAME Customary, High Quality, and Previous Commonplace, among others.
convert files into one file or separately. Hamster is a free audio converter that installs shortly, has a minimal interface, and isn't hard to make audio converter use of. Free Audio Converter is precisely what's says it's, and it's a dependable and relatively versatile device for conversion of audio.
Freemake partnered with Microsoft, Intel, Thawte to prove that Freemake Music Converter is safe. A number of the advanced settings in Change embrace deleting the supply audio file after a conversion, routinely normalizing audio, modifying tags, and downloading CD album details from the internet.
fre:ac offers full assist for the Unicode character set. That way it could actually deal with not only Latin scripts, but in addition Japanese, Cyrillic, Arabic or Indian. If you happen to like music from all around the world, you can tag your information correctly.

发表于 2020-3-25 05:46:00

From All Audio Formats With Swap

Is essentially the most convenient online software for changing YouTube flash video to MP3 audio. Convert music files to the common MP3 format for your LAPTOP, Mac, cell phone, tablet, or any MP3 player. Get MP3 sound of top quality, as much as 320 KBps. The output MP3 songs shall be appropriate with any system: iPhone, iPad, Zune, Samsung Galaxy, Nokia Lumia, HTC Need, SanDisk Sansa, Walkman, Huawei, Xiaomi, and many others.
With fre:ac you simply rip your audio CDs to MP3 or WMA files for use together with your hardware participant or convert information that do audio converter online not play with other audio software program. You may even convert whole music libraries retaining the folder and filename structure.
Now you may convert audio tracks proper in your browser. It is quick, secure, and free. After importing files to convert, Hamster lets you select any of the output codecs from above or decide from a tool in case you're undecided what format the file needs to be in.
I also found Zamzar's conversion time sluggish when in comparison with other on-line audio converter providers. Should you're unable to play or edit a sure audio file the way in which you want as a result online audio converter of the format is not supported by the software program you're utilizing, one in all these free audio converter software program packages or online tools may help.
It's protected to say, no different audio software converts extra audio file codecs than EZ CD Audio Converter. If changing cd to mp3, flac to mp3, m4a to mp3, or wav to mp3, EZ CD Audio Converter is the only option. switch all output MP3 information to the cloud.
fre:ac provides full support for the Unicode character set. That means it may well handle not solely Latin scripts, but also Japanese, Cyrillic, Arabic or Indian. In the event you like music from everywhere in the world, you may tag your recordsdata correctly.

发表于 2020-3-25 05:46:39

From All Audio Formats With Change

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All-in-one audo converter software program. Convert movies to MP3, M4A or any other media format. Free Audio Converter supports over 500 common and rare video codecs: MP4, AVI, FLV, MKV, DVD, WMV, HD, H.264, MOV, VOB, SWF, TS, WebM, Xvid, and many others. Save soundtracks and extract music from video in seconds. Unique audio high quality is preserved.
I just need to congratulate you for the MediaHuman Audio Converter. Number of selections for audio quality, file extension sort and multiple cpu core choice. And checkbox for adding online audio converter to iTunes whereas changing. Genius. You saved me from hours of ready. Well finished.
General, VSDC Free Audio Converter is just as fast as a lot of the other instruments on this listing, and is great for changing your recordsdata to a typical format. The largest downside to this program is that have to buy the Infinite Pack to transform audio files that are longer than three minutes.
You can instantly convert one lossless format to a different, without intermediate conversion. For instance, you can turn FLAC to Apple Lossless supported by most Apple gadgets audio converter. A great MP3 converter for joining audio recordsdata. works pretty quick, with out errors.
Free Audio Converter supports all well-liked audio file codecs. Recognized as finest MP3 converter for five years. Trusted by 63 Million customers. Probably the most stable, fastest, and comprehensive multi format audio file converter. Add all recordsdata you need, choose the output format and click Begin - this system takes care of the remaining.
Audio file converter instruments are additionally helpful in case your favourite music app in your cellphone or pill doesn't assist the format that a brand new music you downloaded is in. An audio converter can convert that obscure format into a format that your app supports.
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