velocities

velocities

美 [vəˈlɑsəti] 　英 [vəˈlɒsəti]

• n.速度；周转率；迅速；快速
• 网络速度部分；速率；相对论速度变换式

词形变化

同义词

英汉解释

英英解释

例句

If that were true for galaxies, the most distant visible objects in the sky would be receding at velocities just shy of the speed of light.

如果这对于星系也是正确的，那麽天空中可见的最遥远物体，就会是那些远离速度仅仅略小于光速的天体。

The extreme youth of at least one of these stars is indicated by the presence of a stream of gas moving at high velocities.

其中至少有一个非常年轻的恒星因高速运动的气体流而被暴露出来。

The suspended sediment of natural streams is usually made up of grains with a broad spectrum of sizes and fall velocities.

天然河流的悬沙，通常系由各种大小尺寸和沉速的粒子组成。

Despite these lower velocities, there appeared to be evidence for the operation of impact-abrasion phenomena in such situations.

尽管有这些速度低，出现了以证据为操作冲击磨损现象，在这种形势。这些证据分为若干领域，下面讨论。

All this comes out of Doppler shift measurements: the velocities, the radii, the periods and even the masses of these objects.

顿移测量法得到，速度，半径：，周期，以及，这些物体的质量，如果作为观察者。

We can measure the speeds of these galaxies, their orbital velocities, and figure out how much mass is in this cluster.

我们可以测量这些星系的速率，它们的轨道速度，并算出星系团中有多少质量。

Changes in sensory conduction velocities across the wrist appear to be the most sensitive electrophysiologic indicators of the condition.

变化的感觉传导速度在手腕似乎是最敏感的电生理指标的状况。

If widespread, such large space velocities could make a distribution typical of young stars mimic that of old stars.

如果广泛存在，这样大的空间速度，就可能使年青星的典型分布与老星分布相似。

From the experiment results and the normalization results, the surface recombination velocities of silicon pn junction were obtained.

通过测量结果和计算结果的归一化比较，获得了其表面复合速率。

As a whole, the groups with BRGs tended to have more galaxies which were more luminous, and had a greater variety of velocities.

总的来说，含有BRG的星系群倾向于含有更多的明亮星系，在周转速度上的差异也更大。

Such low velocities are usually seen only near the surface in a zone called the weathered layer or the low-velocity layer.

这样低的速度通常只在地表附近称为风化层或低速层的地带中见到。

The Splitting of a light beam into two perpendicular polarization components, which travel at different velocities through a material.

一束光通过两个垂直的偏振元件，在光学材料中分为两束光，它们的传播速度不同。

Yet Rubin's observations found no drop-off at all in the stars' velocities further out in a galaxy.

然而鲁宾的观测结果则表明，远离星系中心的全部星体的速率都没有降低。

With velocities of this magnitude at the outer edge of galaxies, the stars should be flung out of their orbits.

在如此重量（星球）级别下保持这种速率的话，星系边缘的星球都将被甩出轨道。

The interactive processes of a powder particle with various velocities and substrate were investigated through numerical simulation.

针对单个粉末粒子以不同速度与基板的相互作用过程进行数值模拟分析。

In contrast, Titan orbits comparatively far from Saturn, where impact velocities are slower and an atmosphere can survive.

相反的，土卫六是以相对较远的距离环绕土星，此处撞击速度较慢，所以大气得以保留下来。

The longitudinal grooves seen in the foreground are thought to be due to differential shear and lateral spreading at high velocities.

在前景突出部分看到的纵向沟纹，被认为是由剪断层（differentialshear）以及高速的横向扩散所造成的。

The hydrometric pendulum is sometimes used to determine flow velocities in open channels.

测流速的摆锤有时用于确定明渠中的流速。

Such amplitude variations would be predicted on the basis of principles governing seismic velocities in heterogeneous media.

按照在非均匀介质内确定地震速度的原理，应能预测这样的振幅变化。

Every rock property, e. g. , permeability, compressibility, and acoustic velocities, has its own effective stress coefficient.

每项岩石特性，比如渗透性、压缩性和声速等，均有其自己的有效应力系数。

Because of the large velocities ordinarily involved, there is a region of turbulent flow behind the ball, as shown.

一般由于高速，在球的后面有湍流区域，如图中所示。

The two primary armaments are mass-driver cannons capable of propelling projectiles to hypersonic velocities.

两门主要武器是质量驱动炮，能发射高超音速榴弹。

The internal friction coefficients is deduced from the law of Maxwell distribution of velocities and distribution of mean-free path.

根据麦克斯韦速率分布和自由程分布推导出内摩擦系数。

Figure 15 shows that the solutions for different velocities do not differ until reaching a certain limit .

图15表明，对于不同速度的解决方案，没有什么分歧，直到达到一定的限制。

Whenever it is necessary to restart the simulation run, an appropriate set of positions and velocities can be reloaded.

在需要重新启动模拟时，可以加载一组合适的位置和速度。

This phenomenon gives the illusion that material is streaming off the star as velocities faster than the speed of light.

这一现象使人们误认为是物质以超光速从星体里流出来。

If the distant galaxies have different peculiar velocities than the nearby galaxies, the researchers' results would be skewed.

如果遥远星系的异常速度和近处的不一样，那么他们的结果就将是有偏差的。

The different types of energy waves shake the ground in different ways and also travel through the earth at different velocities.

不同类型的能量波以不同的方式晃动地面并且以不同的速度穿越地球。

Fall velocities are usually measured by observing individual grains settling in a column of still fluid .

沉速通常是由观测单个颗粒在圆柱筒内静止的液体中沉降来测定的。

However, a disadvantage of worm gearing is the high sliding velocities across the teeth, the same as with crossed helical gears.

但是，不利的环面蜗杆传动是高滑动速度全国牙，同时由于带交叉斜齿轮。

They then measured their velocities to determine how fast they were moving away from us.

他们随后测量了星体的速度，以便确知它们在以多快的速度远离我们。

With a long stroke cycle particles will reach their terminal velocities which will dependent on the particle density and size.

这些颗粒在经过一个长行程之后达到末速度，末速度的大小取决于颗粒的密度和尺寸。

In a few locations, though, the velocities changed by as much as 20 mph because of minor redirections of the winds near the storm's center.

不过，在一些位置，由于接近风暴中心的风轻微变向，风速变化多达每小时20公里。

Professor Mobasher and his team identified member galaxies of this cluster and measure their distances and velocities.

莫巴舍尔教授及其团队确定了组成该星团的星系并测量了它们的距离和速度。

This paper presents non-polar velocity-diagram method that determines the velocities of the planer mechanism with many degrees of freedom.

介绍用无极速度图法确定多自由度平面机构的速度。

Under application of an electric field, the electron and hole move in opposite directions at different velocities.

在电场的作用下，电子和空穴以不同的速度沿着相反的方向运动。

All right, so far, about speeds and average velocities and accelerations.

目前为止，是关于速率，平均速度和加速度。

Both fission and fusion appear promising for space propulsion applications, generating higher mission velocities with less reaction mass.

聚变与裂变核能很有可能成为太空探索的推动力，用较少反应物料保证较快的航行任务速度。

In a negative-index material, as Veselago had discovered, the group and phase velocities are in opposite directions.

在负折射率材料中，正如维斯拉格所发现，群速度与相速度的方向是相反的。

At higher gas velocities the rising bubbles cause the observed churning, mixing, and flow of solids.

在较高气速下，上升气泡就造成了所观察到的搅动、混合及固定颗粒的流动。

Because the gas moves vast distances at high velocities, even a slight disturbance quickly turns a smooth flow into a turbulent one.

由于气体高速运行很长的距离，一个轻微的扰动就能马上将平顺的流体转变成紊流。