rate of movement的用法和樣例：
例句
- A method of separating substances, especially proteins, and analyzing molecular structure based on the rate of movement of each component in a colloidal suspension while under the influence of an electric field.
電泳分離法分離物質，尤指分離蛋白質的方法，以及基於在電場作用下處於膠粒懸浮狀態的各個成分的運動速度基礎上進行的分子結構分析方法
