The process of spreading time range of controlling black coloring of stainless steel was investigated. The method is reliable and convenient.

研究了拓宽黑色膜控制时间的工艺方案，使黑色膜的色泽控制较为可靠方便，对于不锈钢着黑色生产有一定的价值。

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But people have been known to 'beat' the test using a range of techniques, such as controlling breathing and heart rate.

但是人们早已熟知运用一系列方法“搅乱”测试，例如控制呼吸和心率。

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By applying sophisticated research techniques, it was possible to demonstrate that the entire range of missing types of neurons was restored in the brain centre for controlling hunger and fullness.

通过应用尖端研究技术，或许能显示在大脑中心区域且功能为控制饥饿和饱胀的脑组织内部，缺损的多类型神经元被修复的全过程。

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But they did zero in on movies by controlling for a wide range of extenuating factors, including race, household income, school performance, parenting styles, smoking among friends and family members, and even personality traits such as rebelliousness.

CNN: Should smoking trigger an R rating?

Controlling planes over oceans presents all kinds of challenges because aircraft are out of normal radio and radar range.

WSJ: How New Air-Traffic Control Systems Operate Over Oceans