We have two motors, one on each rear wheel, so the control system has to control each motor independently.

我们有两个电机，每个后轮一个，因此控制系统必须独立控制每个电机。

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You can see that two paths exist: one for the data and one for control.

您可看到存在两个路径：一个用于数据，另一个用于控制。

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When users solve a CAPTCHA through reCAPTCHA, the software will give users two words: one with a known answer (the control word) and one where the OCR software wasn't quite sure what the word was.

当用户被要求输入验证码时，用户可以看到两个单词：一个是已知的单词（控制单词），另一个是OCR软件无法确认的单词。

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He says that teenagers should set the volume control on their music players to somewhere between one-half and two-thirds the highest level,never louder.

VOA: special.2010.09.28

The French-run PT Palyja, one of two private companies that control Jakarta's water supply, provides only a communal tank for the local residents to use.

VOA: standard.2010.08.04

Although only a minority of people - between one and two in every 10 - has symptoms, advisers say extra measures to control the disease may be needed.

BBC: Infection risk posed by cats revealed

The XStreamHD FAST Start package includes one HD Media Server with 1TB storage, one HD Media Receiver, RF One Remote Control, and all of the accessories, including one 3m High-Speed Cat2 certified HDMI cable and two 3m Cat5e Ethernet cables.

ENGADGET: Lionsgate first to sign content deal with XStreamHD HD

But if you accept the unlikelihood of ridding America of its guns, as the gun-control movement now says it does, then one systematic proposition links the two.

WSJ: Jenkins: Gun Control That Works