Now, they use this rotational kinetic energy to create very strong magnetic fields on a time scale as short as five seconds.

它们运用这，旋转动能，来制造巨大的磁场，用时只有5秒。

youdao

The following chart describes your focus over time (rating focus on a scale of 1-10).

下面这个表就是你10小时内专注的程度(专注程度为1到10)。

youdao

While we won't be seeing a wireless power grid any time soon, the idea of beaming power on a smaller scale is rapidly gaining momentum.

尽管我们无法很快看到无线电网的出现，不过小规模应用光束电力的构想却很鼓舞人心。

youdao

"If one is concerned about the future of life on a biological time scale, it's relevant to have communities away from the Earth, " Rees notes.

FORBES: Magazine Article

"The Executive remains committed to the project and we also note that the Irish government has committed itself to delivering it on a longer time scale, " they said.

BBC: A5 road sign

On a geologic time scale, the two events occurred at virtually the same moment, according to new and more precise dating results that they reported in the journal Science.

WSJ: Asteroid to Narrowly Miss Earth Next Week