首先讨论在水平流动时的最低速度，即沉积速度。
We first consider this minimum velocity for horizontal flow, the saltation velocity.
阿肯色和北达科他州的参议员们质问，为什么这个最低速度是这么的小。
Senators from Arkansas and North Dakota have questioned why the minimum is so low.
采用脚踏开关无级调速控制，可以设定最低速度赫 尔最高速度，便于操作控制。
The pedal use limitless speed-controllor, can set the minimum and maximum easy to controll.
是否是火箭垂直发射，或在一些初步的角度来看，达到其最低速度的高峰期，其轨迹。
Whether the rocket is launched vertically, or at some initial Angle, it reaches its minimum velocity at the peak of its trajectory.
提出了两个新概念及计算方法：缓解列车制动时车辆全部缓解后应保持的最低速度及缓解时间。
And the method of calculating the proposed two new concept vehicles are put forward: Mitigation Brake should maintain a minimum speed and release time.
所以，飞机必须保持一个最低速度以产生升力，而且飞行的高度越高，飞机维系升力的速度也越高。
A plane must maintain a minimum speed to generate lift, and the higher it travels, the faster it must go.
与传统提升管相比，环形截面提升管中颗粒速度分布的均匀性有所改善，其最高速度与最低速度之差变小。
The radial distribution of particle velocity is more uniform and the difference between the maximum velocity and the minimum velocity decreases in comparison with the conventional riser.
她说，青少年怀孕率在每个区都呈下降趋势，而在7区和8区这两个收入水平最低的地区，怀孕率降低速度较慢。
Teen pregnancy rates are declining in every ward, she said, though more slowly in wards 7 and 8, which have the city's lowest income levels.
她说，青少年怀孕率在每个区都呈下降趋势，而在7区和8区这两个收入水平最低的地区，怀孕率降低速度较慢。
Teen pregnancy rates are declining in every ward, she said, though more slowly in wards 7 and 8, which have the city's lowest income levels.
应用推荐