他们必须专注于以恒定速度持续的自然过程，并且在岩石中留下某种有形的记录。
They would have to concentrate on natural processes that continue at a constant rate and that also leave some sort of tangible record in the rocks.
我有一定速度，且保持那个恒定速度。
And I have a certain velocity, and I keep that velocity constant.
该系统使用于水闸门或救生艇上下楼安全自动恒定速度。
The system enables a water barrier or lifeboat to descend safely automatically at a constant speed.
提出了采用计算机控制实现镀锌钢带以恒定速度卷绕的技术方法。
In this paper, the author discusses the technical method of winding the zinc-plating steel strip in constant speed controlled by computer.
工业上使用的大多数发动机都以恒定速度运转，而与发动机承受的负荷无关。
Most engines in industrial use are rated to run at a constant speed, irrespective of the load they carry.
当火车头在相对恒定速度下前进或者空转时，这时电池就为马达提供能量，柴油发动机不工作。
When the locomotive is traveling at a constant speed or idling, the battery rather than the diesel engine can power the motor.
例如，在万能拉伸试验机上，固定端和移动的十字滑块之间的变形是以恒定速度进行的。
For example, in the universal testing machines, the motion between the fixed and moving crossheads can be controlled at a constant speed.
本文论述了黑洞周围运动层对霍金辐射恒定速度的破坏，是后者至今仍无法探测到的重要原因。
The damage to the constant speed of Hawkings radiation done by motion layer around black holes is expounded and it is the important reason for the latter to remain undetectable.
文中着重对S曲线加减速算法进行了深入的研究，推导出以时间最优为目标、具有恒定速度段的S曲线加减速的计算公式，并通过仿真进行验证，得出加速度曲线的各个时间转折点。
In this paper, it studies the algorithm of S-curve with a constant velocity duration in detail, which takes time optimal into account. A simulate example is taken to test each switching point.
由于P波和S 波以不同但相当恒定的速度传播，它们到达的间隔与到震源或初始破裂点的距离成比例地增加。
Because P and S waves travel at different but fairly constant speeds, the interval between their arrivals increases in proportion to the distance from the earthquake focus, or initial rupture point.
工厂生活需要一个更严格的时间表，在那里，工作在铃声中开始，工人让机器以恒定的速度保持运行。
Factory life necessitated a more regimented schedule, where work began at the sound of a bell and workers kept machines going at a constant pace.
还有，它以一个恒定的速度移动。
当进给速度不恒定时，会造成许多问题。
When the velocity (feed rate) is not constant, several problems can result.
但如果你只是需要一个恒定的速度值，那又该怎么做，那你只需要知道，这个矢量的大小。
But, if you want just the usual speed as a number, then, what will you do? Well, you will just take exactly the magnitude of this vector.
要留在轨道上，一个物体必须以恒定的速度运行于地球表面。
To stay in orbit, an object must be traveling at a constant speed over Earth's surface.
同时，“点击加速度”看起来也不是恒定的。
若速率恒定，那么速度当然会变化，因为方向时刻是变化着的，但是速率没变。
If the speed doesn't change, then the velocity, of course, does change because the direction changes all the time, but the speed does not.
不用保持速度恒定。
我确实还得收集更多的数据，看看点击后的速度是不是恒定的，但让我先看看点击之前竖直方向的加速度吧。
Yes -i need more data to really see if the final velocity is constant. However, let me look at the distributions of vertical accelerations before the tap.
我确实还得收集更多的数据，看看点击后的速度是不是恒定的，但让我先看看点击之前竖直方向的加速度吧。
Yes - I need more data to really see if the final velocity is constant. However, let me look at the distributions of vertical accelerations before the tap.
但是灭绝的速度同一个恒定的常数有着相当大的距离。
动量守恒定律告诉你,碰撞后速度是多少。
So the conservation of momentum tells you what the speed is after the collision.
然后单独的长的DNA分子被送入微流控芯片，静水压通过一个窄的通道以恒定的速度牵引它们。
Single long molecules of DNA are then fed into a microfluidic chip, where hydrostatic pressure pulls them at a constant speed through a narrow channel.
该功能可以使数控系统根据刀尖所处的X坐标值，作为工件的直径值来计算主轴转速，使切削速度保持恒定。
This function can make numerical control system according to the point in the X coordinates, as the diameter of the workpiece calculated value spindle speed, and the cutting speed to be constant.
如果计算一下，如果你假设，加速度恒定-，那就很好推测了，你会发现，加速度仅仅是，2米每秒的平方。
And if you calculate, if you assume that - the acceleration is constant — it's an easy calculation — it turns out that the acceleration is only two meters per second squared.
我们已知该速度是恒定的。
我们已知该速度是恒定的。
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