CAs are, in turn, signed off on by browser makers and operating-system (OS) designers—some browsers consult an internal list of CAs and others turn to a list embedded in the OS.

反过来，浏览器制造者和操作系统（OS）的设计人员---有些浏览者咨询证书认证机构的内部目录而其它人则翻动操作系统中嵌入的目录---毅然正式同意证书认证机构（CA）。

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Google said that its turn-by-turn navigation system may be supported by ads in the future.

Google表示，未来广告可以支持其逐向道路导航系统。

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System reliability can thus be enhanced by increasing minimum turn-on pulse width and turn-off pulse width, without decreasing system specifications.

因此可以通过增加最大、最小窄脉冲宽度提高系统的可靠性，而不影响系统的性能。

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They take this makeshift communication system developed by adults and, again, they turn it into a full-blown language, suggesting that to some extent it's part of our human nature to create languages.

他们继承了成人发展出来的临时交流系统,将这个临时交流系统,再次发展成一种成熟的语言,这表明从某种程度上来说,创造语言是我们人类本性的一部分

耶鲁公开课 - 心理学导论课程节选

The technology powerhouse has a turn-by-turn application in beta for its Android 2 operating system.

CNN: Apps of the week: Getting there from here

Google's web app still lacks some of the functionality that its Android-based product features - such as indoor and 3D maps, and turn-by-turn directions - giving the firm an opportunity to promote devices powered by its own system over Apple's.

BBC: Google adds Street View to its maps mobile web app

Turn-by-turn directions are downloaded to the vehicle and are spoken to the user over the vehicle's audio system and displayed on the radio.

ENGADGET: Sync adds turn-by-turn, traffic reports for some 2010 Fords