输出控制的对象为速度单元或变频调速系统。
为速度优化。
大多数人步行的平均速度为每小时5公里。
Most people walk at an average rate of 5 kilometres an hour.
答案是,速度的获得以灵活性的失去为代价。
移动电话的普及速度令电信管理者为之惊叹。
The speed of mobile telephony's spread has caught the telecoms regulator by surprise.
在哪个方向,碰后速度为多少?
In what direction and what will be the speed after the collision?
速度在这里为正,正,还是正,到了这里变成了负的,负、正、0、负。
The velocity's positive here still positive, positive, becomes negative negative, positive, zero, negative.
全球平均峰值连接速度增长为8.8Mbps,比上年同期相比增长30%。
The global average peak connection speed grew to 8.8 Mbps, up over 30% year-over-year.
现在我知道,放开,物体的时候,速度为。
Now, I know that I release it at 0 zero speed, so this is zero.
所以这些,就是速度为0的点。
而当物体移动到这里时,其速度也为0,对应着这个时刻。
When the object is here it is again zero at this moment in time.
以初速度为0释放。
官方统计的人口为5300人,但是每年以一百的速度递减着。
The official population is 5, 300, but it decreases by a hundred every year.
速度不随时间改变而改变,因为加速度为。
It is not changing in time 0 because there is no acceleration.
国会预算办公室预测下一个10年的增长速度为0.6%。
Over the next decade the Congressional Budget Office expects a 0.6% annual increase.
它们将按照组队中最慢的单位的速度为行动速度。
They will move at the speed of the slowest unit in the group.
火车的速度至少为小船速度的六倍。
时间为0时,在轨道上有速度。
And at time zero, when it is there, it has a velocity in that ellipse.
这种新型战斗机的巡航速度为声速的两倍。
另一片往这个方向飞,质量为m1,速度为v1。
And another piece flies off in this direction with mass m1, with velocity v1 prime.
假设这个粒子,质量为5,速度为。
Suppose this particle 1 has a mass five and the velocity is one.
空气速度的测量,典型的单位为每分钟英尺或米。
Measurement of air speed, typically in feet or meters per minute.
该隧道限定的最高速度为60公里/时。 。
编队中航行速度为8节。
为应对危机,世行加快了资金支付速度。
为国家,服务人员解决工作压力,有效的提升速度。
For the country, service personnel to solve the work pressure, effective speed.
为保持速度,游泳者不得不较少划距。
To keep the same speed, the swimmer had to shorten their stroke.
速度增加的加速度为正加速度,速度减少的加速度为负加速度。
The acceleration is positive if the speed is increased, negative if speed is decreased.
速度增加的加速度为正加速度,速度减少的加速度为负加速度。
The acceleration is positive if the speed is increased, negative if speed is decreased.
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