技术都有最佳适用时间和最佳适用地点。

Technologies have their ideal times and places.

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从反应速度、适用时间等方面研究了几种交联剂对水性双组分氟涂料漆膜性能的影响。

The influence of several cross-linking agents on the performances of film of two-pack waterborne fluorocarbon resin paint is studied, in terms of reaction rate and pot life.

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济南发光字的可靠性设计方面包含：电气安全、防火安全、适用环境安全、机械安全、健康安全、安全使用时间等因素。

The reliability design of Ji'nan light emitting characters includes: electrical safety, fire safety, safety, safety, safety, safety and use of time.

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And two, to give you a better sense of design especially as your programs get a little more involved and they play or they run for more than just a few seconds time.

另一方面，使你们对设计更有感觉,尤其是你的程序要适用于更多的应用环境或,要运行不止几秒钟时间的时候。

哈佛公开课 - 计算机科学课程节选