The good news is, while CO2 stays in the atmosphere for a century, black carbon lingers for a much shorter time.

好消息是，相比于二氧化碳对大气一个世纪的影响，炭黑的漂浮只是很短的一段时间。

youdao

While having every one of these components isn't absolutely critical for success, having all of them will make the road to success much shorter.

尽管拥有上述的所有构成部分并不能保证一定成功，但这些构成因素都可以使通往成功的道路更短。

youdao

For a low-pass filter, signals much longer than the time constant pass through unaltered while signals shorter than the time constant are filtered out.

对于低通滤波器，比时间常数更长的信号将会保持不变地通过，而比时间常数短的信号将会被滤掉。

youdao

The report said the residents were attempting to do as much work in the shorter time as they had done while working more hours.

VOA: special.2009.06.02