这些被称为重子声学振荡的东西为测量随时间变化的宇宙的膨胀速度和对暗能量的值施加限制提供另一尺码。
These so-called baryon acoustic oscillations offer another yardstick for measuring the expansion rate of the universe over time and putting limits on the value of dark energy.
不是0，Well，，A，is，not，zero。,如果我在平衡处,释放物体,给它3m/s的,初速度，它开始振荡。
A If I release that thing at equilibrium and I give it a velocity of three meters per second, it's going to oscillate.
如果加速度减小，振荡周期变大。
If the acceleration goes down, the period of oscillation goes up.
当这个小装置以每秒60亿周的高频速度振荡时，它表面的“压电”材料会产生一个很容易被检测到的振动电场。
As the doohickey hummed away at a very high frequency-a whopping 6 billion cycles per second-the "piezoelectric" material in it produced a warbling electric field that was easy to detect.
通过调整燃料喷注位置和空气的供给速度，可激发或抑制振荡。
By changing positions of fuel injection and air supply, velocity oscillation may either be excited or damped.
直流联网对发电机速度信号具有迅速作出响应的能力并按需要提高和降低潮流以阻尼暂态振荡。
The DC interconnection has the ability to respond rapidly to generator speed signals and increase or decrease the power flow as needed to dampen the transient oscillations.
仿真结果表明，该算法可有效抑制网络陷入局部极小，防止振荡，加快盲均衡器的收敛速度。
The simulation results showed that the new algorithm could control the local minimum, avoid the oscillation, and quicken the convergence speed of blind equalization procession.
用地球的自由振荡研究地球内部结构、速度间断面、密度分布等具有射线理论不可替代的优点。
The earth free oscillation can be used to constrain structure of the earth interior, including velocity, discontinuity as well as density distribution.
可快速、无振荡抵达控制目标，特别适用于机床等响应速度不高的工业控制。
It can reach control object quickly without vibration, so is extremely suitable for industrial control such as machine tool of low frequency response.
脉冲式、反向射流式除尘器能够比振荡式、反向气流式的过滤速度获得高些。
The pulse type and reverse jet dust collector can obtain higher filtering speed than the oscillating and reverse air flow.
放大器自激振荡的频率就取决于流体的速度。
Amplifier self-oscillates at a frequency depending on the velocity of the fluid.
实验发现，在一定的气流速度和空腔几何尺寸下，空腔内流动会出现强烈的自持振荡。
In the experiment it is found that at a certain external flow velocity and cavity size a strongly self sustained flow oscillation in the cavity would appear.
这只不过是电机电枢振荡，在速度控制的2500hz率和是很正常的。
This is simply the motor armature oscillating at the speed control's 2500hz rate and is quite normal.
旋转角速度的其他分量用于振荡天平试验数据。在综合使用数据时提出了综合因子的概念。
The other component of rotative speed is used for test data of oscillating raises concept of balance.
算法计算速度快，计算单调收敛，不存在振荡现象。
The method without "surge" has high calculation velocity and monotonic convergence.
加速度计的偏置误差形成一平均的常值偏离加上一振荡分量。
The accelerometer bias errors result in an average constant offset plus an oscillatory component.
对于非线性对流占优扩散方程，不仅可以消除因对流占优项引起的数值振荡现象，还可以加快收敛速度、提高计算效率。
For the nonlinear convection-dominated diffusion equation, this method can not only stabilize the numerical oscillation but also accelerate the convergence and improve the computational efficiency.
随着脉冲面积的增大，脉冲振荡次数减少，振幅增大，传播速度增大，介质各能级粒子布居振荡次数也增多。
The oscillation times decrease with increasing of the initial area of the pulse, but amplitude, group velocity and the medium populations oscillation times of every level increase.
实验结果表明，该算法在有效消除边缘振荡效应的同时，极大地提高了超分辨率图像重构的速度。
Experimental results show that the proposed algorithm has got a significant increase of efficiency while reducing the ringing artifacts effectively.
以热速度流入等离子体邻近层的电子，将携带出现在振荡区域的信息。
Electrons streaming into adjacent layers of plasma with their thermal velocities will carry information about what is happening in the oscillating region.
文章中分析了测量系统初态振荡的原因，介绍了初态“低速化”的防振荡措施，即通过限制测量系统跟踪控制器中的速度。
An analysis is made on the reasons that resulted primary oscillating in the system, and measures are given to prevent the oscillation.
可坍陷管中，当管流速度幅值超过临界速度时，会产生失稳和位移振荡。
When the maximum velocity of an oscillated flow in the collapsible tube exceeds the so-called critical velocity, the tube will become unstable and oscillate with displacement.
运用该模型解决了土壤冻融相变过程中非线性迭代的振荡问题，加快了迭代收敛速度。
Analyses the operation performance of soil charge and discharge. This method solves the problem of nonlinear iterative oscillation successfu…
对于非线性对流占优扩散方程，不仅可以消除因对流占优项引起的数值振荡现象，更重要的是可以加快收敛速度、提高计算效率。
For the nonlinear convection-dominated diffusion equation, the method can stabilize the numerical oscillation, accelerate the convergence and improve the computational efficiency.
小球的半径、折射率越小，以及环境的粘滞系数越大，小球轨迹的振荡越弱，收敛速度越快。
Smaller particles and larger viscosity of surrounding medium resulted in less oscillation and faster convergence to the parabolic line.
模拟结果表明，在快速屈曲过程中，食指短时平均角速度近似为匀速，瞬时角速度呈现阻尼振荡形式。
The result shows that during a fast flexion the short time average angular speed is nearly constant,...
模拟结果表明，在快速屈曲过程中，食指短时平均角速度近似为匀速，瞬时角速度呈现阻尼振荡形式。
The result shows that during a fast flexion the short time average angular speed is nearly constant,...
应用推荐