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The sledge gained momentum as it ran down the hill. 雪橇从山上下冲时动量越来越大。
An irreversible momentum toward open revolution. 朝向公开革命不可逆转的势头
radial momentum 径向动量
Strong forward momentum; driving force. 强大的前动力; 推动力
The struggle for independence is gaining momentum every day. 为独立而斗争的势头日益增长。
As the rock rolled down the mountainside, it gathered momentum. 石头滚下山时，它的动量增加。
As the rock rolled down, it gathered momentum. 岩石滚下山坡时，冲力愈来愈大。
Radial distances from CP or CL are too short. 从投影中心或投影中线的辐射距离太短。
The movement was gaining momentum. 这运动势头越来越大。
Many stems and toots show radial symmetry. 很多的茎和根都是辐射对称的。
A radial part, such as a ray, spoke, or radius. 放射部辐射状的部分，如光线、轮辐或半径
The movement to change the union's constitution is slowly gathering momentum. 修改工会宪章的运动正慢慢加强。
Characterized by radial symmetry. 放射状对称的以放射状对称为特征的
Having a radial form, as a starfish. 放射线状的具有放射性形状的，如海星
The sledge gained momentum as it run down the hill. 雪橇从山上下冲时动量越来越大。
The train gathered momentum as it left the town. 火车出了城就逐渐加速奔驰。
Momentum and energy have been united. 动量和能量统一了起来。
A radial part,such as a ray,spoke,or radius. 放射部辐射状的部分，如光线、轮辐或半径
In this chapter we will discuss angular momentum. 本章将讨论角动量。
Angular momentum is an axial vector quantity. 角动量是一种轴矢量。