Ear is a kind of biometric feature which can remain stable for a long time, and the uniqueness of the ear is quite obvious.

耳朵是长期保持稳定的一个生物特征，并且耳朵的独特性十分明显。

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On the one hand, the indoor temperature can remain stable, on the other hand, can reduce the large amount of manpower and electricity.

一方面可以使室内温度保持稳定，避免忽冷忽热，另一方面，可以减少大量的人力和电力。

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In order to smooth at run time, add the spring buffer device, when starting or stopping, can remain stable, in the car's traction device is equipped with buffer spring.

为了在运行的时候平稳起见，增设了弹簧缓冲装置，当起动或停止的时候，均能保持稳定，在车的牵引装置上装有缓冲弹簧。

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They might never generate the most energy, but the all-carbon cells can remain stable under extreme conditions, meaning they could find their calling in harsh environments where brawn is a little more important than status, or looks.

ENGADGET: Stanford researchers create 'world's first' all-carbon solar cell, do it on the cheap

"Some often ask me how then can Syria remain stable, moderate and influential in a region that is increasingly being surrounded by extremism, ideologism (sic), sectarianism and all other forms of negative perceptions in our society, " she told the gathering.

CNN: Will Asma al-Assad take a stand or stand by her man?