It contains multiple levels of hair such that each strand is cut a few centimeters longer or shorter compared to the other pieces of hair.

它包含了多个层次，每一层都比其他层剪得长一点，或短一点。

youdao

Shorter completion times and enhanced well productivity in shale basins contributed to sustained higher production levels amidst a dramatically lower rig count in 2009.

在2009年更短的完成时间和在页岩水池的改进的好的生产力造成在显著更低船具计数之中的被承受的更高的生产水平。

youdao

Left : A bit shorter than to the right. Quite steep at first, then levels out.

左边：比右边稍微短一点，开始有点陡峭然后就渐趋平缓了。

youdao

The genesis of the shorter back-to-school purchase cycle is a consequence of increased levels of consumer expectations, retailers having spent more than a decade teaching consumers they can get something cheaper if they just wait.

FORBES: Back-to-School ABC's