That could mean firing the laser 10 times a second, at fuel pellets that are shot mid air as they are dropped into the fusion chamber.

这也许意味着，激光器每秒就可以发射10次，而且可以在半空击中落入聚变室的氢同位素靶丸。

youdao

The height, weight and mid-upper arm circumference of one woman and child aged less than 5 years from each household were measured at baseline and at the end of the study (mean time: 10 weeks).

在研究的基准时间和结束时（平均时间：10周）测量了每个家庭的一名妇女和一名不满五岁的儿童的身高、体重、中上臂围。

youdao

Cost cutting and technology mean that fewer mid-level executives are assigned assistants, cutting back chances to move up the ladder together.

成本削减和技术进步意味着配备助理的中层管理者越来越少，助理跟老板一起往上走的几率也因此降低。

youdao

The way the test is scored changed in the mid-1990s, but the mean scores in prior years were recalibrated to make them comparable.

WSJ: SAT Scores Fall as More Students Take Exam

Deportivo La Coruna drew 1-1 at mid-table Real Sociedad to mean Osasuna's move from the bottom of the table was a brief one.

CNN: Messi leads Barcelona to new record

Alto, as in music, doesn't mean high but mid-level.

BBC: Weather talk: Is there a way to make it interesting?