假如速度不变，则距离随时间增 大。
On the assumption that speed is kept constant, distance increases with time.
其中一个前提是，光的速度不变。
你们速度不变，会发现我速度在变化。
And you sit there and you say, "Aha, his velocity is changing."
所谓光速不变是光的波动速度不变。
The so-called velocity of light invariable is the light fluctuation speed is invariable.
但是，旋转速度不变的情况下增加球速会降低升力系数。
However, increasing the velocity at a given spin reduced the lift coefficient.
光的波动速度不变。
因为速度不变，当频率增加时，波长就会减少。
As the speed is constant, when the frequency is increased, the wave length will.
首先只考虑温度因素，即网带速度不变，只改变温度。
At first, just considering on the temperature factor, that is, keep the belt speeds constant and just change the temperature.
所以现在回复力加倍，物体质量加倍，加速度不变，周期不变。
So now the restoring force doubles and the mass doubles, the acceleration remains the same, the period remains the same.
这个动作并不保留高度和速度不变，它的本质上速度换高度。
This maneuver does not preserve speed and altitude. It trades speed for altitude.
如反应速度不变或加快，分化能力不变或提高，说明皮质机能恢复良好。
If response rate is fixed or accelerate, differentiation ability changeless or rise, explain coriaceous rehabilitation is good.
在缠绕速度不变的情况下，相对与目前经常使用的单缠膜筒缠膜机，缠膜效率可大 幅提高。
Under constant twining speed, the film twining efficiency can be greatly increased compared with the single-cylinder film twining machine commonly used at present.
但迄今为止，我们谈论的一直是狭义相对论，这种理论适用于在速度不变的情况下移动的物体。
So far we've been talking about special relativity, which applies to objects moving at constant speed.
在加工端面、圆弧、圆锥以及蹊径直径相差较大的零件时，沿X轴方向进给时，固然进给速度不变，但切削线速度却不断地变化，导致加工表面质量变化。
In the end, arc, processing and ground is large diameter conical parts, along the X axis into to, is the same, but the linear cutting speed is constantly changing, the cutting surface quality changes.
经分析，该公司没有维持简单再生产的能力，要维持简单再生产，在消费增长速度不变的情况下，生产资料的生产应扩大0．092倍或在生产资料生产保持不变的情况下，消费缩小0．101倍。
There will be no capacity of keeping simple reproduction in the company unless the production of meas of production is expanded 0.092 times or the consumption level reduced 0.101 times.
婴儿成长的速度并非一成不变，而是长长停停，停停长长。
Babies do not grow at a steady rate but in stops and starts.
试验已经表明不管是否有牛奶，只要给予混合膳食或素食，孩子的成长速度是不变的。
Tests have shown that whether cow \ \ \ 's milk, a mixed diet, or a vegetarian diet is given, the growth rate is the same.
当收起双臂时，分布空间减少，于是其速度一定会加快以弥补差异，从而保持总动量不变。
When she draws her arms inwards, that distribution is reduced, so her speed must pick up to counteract this difference and keep her total momentum constant.
速率保持不变，但速度矢量会发生变化。
The speed is not changing, but the velocity vector is changing.
质量重心的速度，并没有发生改变，你在参照系中可以看出，因为质量重心的速度，总是保持不变，要记住，由于动量守恒。
The velocity of the center of mass has not changed as seen from your frame of reference, because the velocity of center of mass is always the same, remember, because momentum is conserved.
因此即使速率不变，也就是说速度矢量的的大小不变，但它的方向可以做旋转。
So, even if the speed is constant, that means, even if a length of the velocity vector stays the same, the velocity vector can still rotate.
速度保持不变,仍然是v1和。
若它们的速度恒久不变，那它们在上一个几十亿年前就存在了。那宇宙是怎么出现的？
If their speed had been constant, they would all have been on top of one another billions of years ago. Was this how the universe began?
不论群里有多少鸟，每只鸟的飞行的方向和速度，同其他鸟的方向和速度都是不变化的。
Regardless of size, the correlations of a bird’s orientation and velocity with the other birds’ orientation and velocity didn’t vary.
LED强烈的调制速度是如此之快，人眼是察觉不到的，所以觉得输出(亮度)不变。
The LED intensity is modulated so rapidly that human eyes cannot notice, so the output appears constant.
,速度改变了方向，但它的大小不变。
The velocities reverse directions, but the speeds remain the same.
如果观察到的病例检出速度维持不变，DOTS规划在2005年检出的病例将多于60%，而它们将低于规定的70%的目标。
If the observed acceleration in case-finding is maintained, DOTS programmes will detect more than 60% of cases in 2005, but they will fall short of the 70% target.
如果观察到的病例检出速度维持不变，DOTS规划在2005年检出的病例将多于60%，而它们将低于规定的70%的目标。
If the observed acceleration in case-finding is maintained, DOTS programmes will detect more than 60% of cases in 2005, but they will fall short of the 70% target.
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