requirement是什么意思？

That was the first mode for a black box, which became a requirement on all U.S. commercial flights by 1960.

To meet the requirements of her in-service training.

This online course is a core requirement of Georgia Tech's online Master of Science in Computer Science program.

There are some very commendable characteristics of the CFL [compact fluorescent ( ' , 荧光的 ) light bulb], yet the selection of any light source remains inseparable from the luminaire ( ' , 照明装置 ) that houses it, along with the space in which both arc installed, and lighting requirements that need to be satisfied.

The rigorous requirements placed on the writing of poetry stimulate the poet's creativity.

It is closely linked to future career requirements

In some cases the quality requirements are so exacting that even if you wanted to have a human do the job, you couldn't.

But the requirements of either of the Acts may be difficult to meet.

Their requirements may be difficult to meet

Introducing a fundraising requirement for students does not help, as better-off children can tap up richer aunts and neighbours.