In addition to this great accomplishment, the subway cars themselves were made more efficient by introducing a new brake energy recovery system that reduces energy consumption by 33 percent.

除此之外，地铁车辆也引进了新的刹车动力回复系统，这一系统减少了33%的能源消耗，从而使列车运行效率更高。

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At this year's WWDC, Apple announced that the next version of its operating system would take a break from introducing new features and focus on performance.

在今年的全球开发者大会上(Worldwide Developers Conference)，苹果公司宣布他们新一代的操作系统将不再引进新功能，转而致力于性能的提升。

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By introducing a photodiode array as photoelectric sensor, a new scheme of optical multichannel analyzer is developed based on 4400 signal detection and analysis system.

基于4400系统，通过引入光电二极管列阵作为传感器，构造了具有光学多道分析功能的信号处理系统。

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Perhaps because 2013 is shaping up to be a brutal one for anyone introducing a new mobile operating system.

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To help with this, the government is introducing a new Public Nursing Insurance system, scheduled to go into effect in two years' time, to train more home helpers and provide other services.

CNN: WHERE IT'S GOOD TO BE OLD

He assured peers the government was introducing the new system on a gradual basis, which he said was in itself a form of trial.

BBC: Government wins disability benefits vote