Even after air masses move far from their original breeding ground source, they may still be recognized by their characteristics.

即使在气团远离其原来的生成源地以后，它们仍然可根据其属性而被识别出来。

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The results show that the climate in Guizhou is effected by much air masses′ motion, and each has its corresponding weather characteristics.

结果表明：贵州气候受多种气团活动的影响，各型气团对应特定的天气特征及一定的环流背景。

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Coal powder quality and air dynamic characteristics play an important role in the process of the steady combustion of boiler.

煤粉气流性质和炉内空气动力特性对锅炉的稳定燃烧起着重要作用。

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Still, the MacBook Air has a lot of the feel-good characteristics of just about all recent Apple products.

FORBES: Magazine Article

Those characteristics can include a brief dip in air pressure, a change in wind direction, a change in wind speed, a rise in air temperature or a dip in ultraviolet light reaching the rover.

ENGADGET: Curiosity rover finds radiation levels on Mars are safe for humans

Because it's so hard in water and to maintain voice features, one of the other aspects of this is that when you dive down the pressure increases, the water pressure increases and actually changes these air filled cavities and you have that influence voice characteristics quite a lot.

NPR: Study: Dolphins Call Out Their Own Names