Most of the natural river flows are non-uniform, but the start and the starting velocity drag force formula for formulas are based on uniform flow up.

天然河流大多属于非均匀流，但起动拖曳力公式和起动流速公式都是在均匀流的基础上建立起来的。

youdao

In this paper, the formulas of starting velocity on cohesive sedimentation are discussed, combined with experiments of natural cohesive sedimentation in Lang-ya Mountain Pumped Storage Power Station.

本文结合琅琊山抽水蓄能电站下库库区原状土起动流速试验，对以往所采用的粘性泥沙起动流速公式进行了讨论。

youdao

Starting from the force balance on a solid particle, equations with dimensionless groups were also developed to calaulate the critical settling velocity of particles at the reactor bottom.

根据对固体颗粒作用力的分析，研究了反应器内固体颗粒的临界沉淀速度；

youdao

This is the starting speed, that's the rate at which it is gaining velocity, and that's how long it's been gaining it.

这是起始时的速度,这是速度的增长速率,这是加速的时间

耶鲁公开课 - 基础物理课程节选

Toth said the velocity of price drops are starting to slow which could be a sign silver is nearing a bottom for now.

FORBES: METALS OUTLOOK: Gold Seen Steady To Higher Next Week After Recent Weakness

The rifle's muzzle velocity is 210 metres a second, which is the starting point for the calculation.

ECONOMIST: Military technology