Dimensionless quantities in physics are those that require no unit .
物理学中无量纲的量就是不需要单位的量。
youdao
In non linear packaging system, the system parameter and dimensionless dropping shock velocity are the evaluation quantities.
对于非线性包装系统，系统参数和无量纲跌落冲击速度是产品跌落破损的评价量。
应用推荐
模块上移
模块下移
不移动