Its effective usage can achieve multithread synchronization and mutex to ensure program running correctly.

有效地使用可以在多线程之间实现同步和互斥，以保证程序的正确的运行。

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The combination of interior air quality and the technology of HVAC play an important role in the effective usage of environment and energy too.

室内环境品质与暖通空调技术的结合对于环境、能源的有效利用具有重要的意义。

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The study shows that the number of years of effective usage of the expressway system is increased due to the improvement of the expressway construction technology.

研究认为高速公路筑路技术的提高使得我国高速公路的有效使用年数在增长。

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"There's no reason that they can't espouse safe, effective, appropriate gun usage, " he said.

CNN: NRA draws heat over its new shooting game

Simple to use, and with a low-fuss factor, it has consistently high rates of usage - securing its place among the 10 most effective purchases.

BBC: NEWS | UK | Magazine | The economics of ice cream

Supplement these with diagnostic metrics such as number of downloads, repeat usage, social sharing, user reviews, and mentions in the press to help make the app more effective.

FORBES: Eight Rules for Building and Perfecting Mobile Apps