momenta

The sledge gained momentum as it ran down the hill.

雪橇从山上下冲时的力越来越大。

Angular momentum can accompany nonrotational motion.

非旋转的运伴随着有角量。

The movement was gaining momentum.

运势头越来越大。

Those variables for which it holds (e.g., momentum and position, or energy and time) are canonically conjugate variables in classical physics.

那些具有的变量(如量与位置,或量与时间)是经典力学里的正则共轭变量。

According to this hypothesis, the solar wind could transfer energy and momentum to the plasma surrounding the earth only by wave motions along the magnetopause.

根假说，太阳风只靠磁层顶上的波，来传递量与量给地球四周的电浆。