滑阀泵的旋转质量有较大的偏心，如果没有很好的质量平衡，在运转时会产生较大的振动。
There is bigger eccentricity of rotary piston pumps rotary quality, which can produce bigger vibration when it running if no finer quality balance.
滑阀泵的旋转质量有较大的偏心，如果没有很好的质量平衡，在运转时会产生较大的振动。
There has bigger eccentricity of rotary piston pumps rotary quality, which can produce bigger vibration when it running if no finer quality balance.
第一个是一对质量与木星差不多的行星，这对行星步调一致地围绕距离地球15光年的母恒星旋转。
The first is a pair of planets, each about the mass of Jupiter, that whirl around their home star 15 light years from Earth in perfect lockstep.
因此，对于以相同速度旋转的两个同质量选手来说，肢体在空间中更为外扩的那个选手将具备更大的角动量。
So, for two skaters of the same mass rotating at the same speed, the one with its mass more extended in space will have the greater angular momentum.
它们通过质量绕轴旋转机械存储能量。
They store the energy mechanically by rotating mass around an axis.
一次地震可以使地球旋转得更快，通过将地球的质量向它的轴线轻推，正如滑冰的人可以通过缩回他们的手臂来使旋转加速。
An earthquake can make earth rotate faster by nudging some of its mass closer to the planet's axis, just as ice skaters can speed up their spins by pulling in their arms.
研究星团的天文学家已经注意到质量一定的行星(通过追踪表面阴暗冷却斑点来测量)，其旋转速度随着其星龄呈现可预测性的变化。
Astronomers who study star clusters have noticed that the speed at which a star of a given mass spins (measured by tracking cool, dark spots on the surface) also seems to vary predictably with age.
大多数气体向里流动，增加正在形成的恒星的质量，但这些气体一直在旋转。
Most of that gas flows inward and adds to the mass of the forming star, but the gas is rotating. The centrifugal force from that prevents some of the gas from reaching the forming star.
在旋转时，力变成力矩，质量变成转动惯量，加速度变成角加速度。
In rotation, force becomes torque, mass becomes moment of inertia, and acceleration becomes angular acceleration.
经过长达六年的观察，科学家发现有五颗行星的质量是地球的13-25倍，或者说，与海王星的质量差不多，它们围绕恒星的旋转周期在6到600天之间。
Six years of observations revealed the presence of five planets between 13 and 25 times the mass of Earth, or about the mass of Neptune, that orbit the parent star once every 6 to 600 days.
由于质量朝地球旋转轴靠拢，这就导致地球旋转速度加快- - -就像一个速度滑冰选手，当她把胳膊向身体收拢时就会旋转得更快。
Since that pulls mass closer to the planet's spin axis, it causes the planet to rotate faster - just as an ice skater spins faster when she pulls her arms towards her body.
因此，提供高质量的图片，并提供缩放，平移，旋转等简易图片操作功能，十分重要。
Therefore it is very important to provide good quality product images with easy graphic manipulation functions for zooming, panning and rotations.
角动量的大小，取决于旋转中的滑冰选手的旋转速度、体重和绕旋转中心的质量分布。
The amount of angular momentum, say, a spinning skater has depends on both the speed of rotation, and the weight and distribution of mass around the center.
第三颗被称作比邻星的红矮星，在相当远的距离之外绕这两颗恒星旋转，由于亮度太弱费希尔的团队无法对其进行研究，不过它也可能拥有质量较小的行星。
The third star, a red dwarf called Proxima Centauri, circles this couple at a considerable distance and is too faint for Fischer's team to study, but it could boast small planets, too.
这颗快速旋转的恒星是脉冲星，也就是大质量恒星爆炸后经内部坍缩形成的超高密度星体。
The fast-spinning star is a pulsar, a superdense chunk of matter left over when a massive star explodes, then collapses in on itself.
在经历超新星后，假如剩下的残核小于三个太阳质量，爆炸的残余物质就将可能演变成旋转着的中子团。
Immediately after supernova, if the remnant core has a mass of less than three SUNS, one would expect a blob of degenerate neutron matter to be spinning in the explosion's wake.
我今天措辞别致，转动惯量就是——，与质量不同，转动惯量的定义跟旋转轴有关，选定一个旋转轴。
I am using fancy words today. And the moment of inertia — the difference with a mass is that the moment of inertia is defined about some axis.You choose an axis.
这种地震震源采用离心质量旋转地震能量，在每个震源点记录下顺时针转动和逆时针转动所产生的扫描信号。
The seismic source USES the rotation of centrifugal quality to produce seismic energy. The produced sweep signals are recorded by clockwise and counter clockwise rotation at each source point.
主轴在轴承上运转的平稳性直接影响工件的加工质量，一旦主轴的旋转精度降低，则机床的使用价值就会降低。
Spindle bearing on the stability of operation in direct influence on the processing quality, once the spindle rotation precision decrease of the machine tool use value will be low.
质量是最明显的，一个更敏感的衡量标准是旋转。
Mass is the most obvious. A more subtle measurement is spin.
旋转套管可以有效提高水泥浆顶替效率，从而提高固井质量。
Rotating casing is helpful to improve effectively mud displacement efficiency and thus improve cementing quality.
旋转型混合机是一种混合质量高、混合速度快、出料完全的混合机。
Ross rotary type mixer is high mixing quality, fast mixing speed and complete discharge.
何转子在围绕其轴线旋转时，由于相对于轴线的质量分布不均匀而产生离心力。
When the rotor is rotating around its axis, the centrifugal force is produced because of the uneven mass distribution with respect to the axis.
目的研究不同机架旋转时间对64层螺旋CT图像质量的影响。
Objective To study the effects of gantry rotation time on image quality in 64 - slice spiral ct.
本文讨论多元质量数据的矢量分析方法，几何变换，坐标旋转和初始变量的主分量计算不同变量的主分量值。
This paper deals with the multivariate vector analysis of quality data by geometric transformation, rotating coordinates and computation of the principal component of initial variables.
任何转子在围绕其轴线旋转时，由于相对于轴线的质量分布不均匀而产生离心力。
When a rotor rotates around its axis, the centrifugal force is produced due to the uneven distribution of mass relative to the axis.
射线数字成像检测是质量检测的一种重要方法，获取的射线图像往往会发生偏移或旋转。
Digital radiography is important means for inspecting the quality of subject, original X-ray image is however often rotary or offset.
宇宙不仅膨胀，而且正在加速膨胀，其原因有两个：一是星系质量损失；二是星系环绕宇宙中心旋转。
Why? The reason of the accelerated expansion contains two factors: a galaxy takes place the mass loss; and a galaxy revolved around the center-mass of the universe.
宇宙不仅膨胀，而且正在加速膨胀，其原因有两个：一是星系质量损失；二是星系环绕宇宙中心旋转。
Why? The reason of the accelerated expansion contains two factors: a galaxy takes place the mass loss; and a galaxy revolved around the center-mass of the universe.
应用推荐