It has been revealed that the propagation of cold air mainly shows a mode of 10—20 day period oscillation.
揭示出冷空气的向南传播主要是一种低频模态的10—20天周期的振荡。
The study found that there are still a long-term polar drift and cycle of about 30 years of long-period oscillation.
经研究，发现地极还存在长期的漂移和周期约30年的长周期摆动。
So what is the period of oscillation?
这是摆动的周期吗？
We just want to compare them — whether, indeed, they have the same — period of oscillation — by making them oscillate in unison.
我们只需要比较-，它们是否有着相同的，摆动周期-，让它们一起摆动。
And if we assume that that's constant, we will be able to find the period of the oscillation very shortly, as you will see.
如果假设这不变，我们就会发现摆动的，周期，如你们一会所见。
I'm going to offset it, the liquid, and I wanted to see it oscillate, and I wanted to see whether I could calculate the period of the oscillation.
现在摇摆液体，我希望看到摆动，我也想知道我能否，计算出摆动的周期。
Dickerson and co filmed a number of dogs shaking their fur and used the images to measure the period of oscillation of the dogs' skin.
迪克森与合作者把若干条狗抖动身体甩干皮毛的过程拍下来，然后用这些图像测量狗抖动皮毛的周期。
So what is the period of an oscillation?
所以摆动的周期是多大？
Mysteriously the oscillation period was first measured at 1.4 days but grew shorter leading up to the 2008 blowout.
第一次测得的变化周期为1.4天，神奇的是，在2008年爆炸之前它却变短了。
If you take a spring, it is true that the period of oscillation is independent of the amplitude but only up to a point.
如果用弹簧，周期的确和，振幅无关，但也只是点到为止。
So if now I hang on it a mass of one kilogram, I can calculate the period of one oscillation, and one over the period F is the frequency F, and I believe that is something like 38 hertz.
如果在上面,悬挂1公斤物质，我能够计算出,振荡的周期，1除以周期,等于频率，我相信,等于大概38赫兹。
Electrons are vibrating, and they are vibrating with a certain frequency, and that means there is a certain period of one oscillation.
垫子在震动，它们以某一频率，进行震动，这意味着,存在某一震动周期。
If the acceleration goes down, the period of oscillation goes up.
如果加速度减小，振荡周期变大。
So I can make a prediction of the period of this oscillation, predict and you can go through exactly the same exercise.
所以我可以预测,震荡的弧度，预测，你们也可以,做相同的实验。
We've done this before-- this is the conservation of energy, and in order to find the period of the simple harmonic oscillation, we take the time derivative.
以前算过-,这是能量守恒，为了算出,简谐振荡的周期，我们求时间导数。
And we're going to calculate the period of oscillation of the torsional pendulum, and they have wonderful properties.
我们将要计算，扭摆的摆动周期，我们有很好的道具。
So this is a hard prediction what the period of an oscillation - should be — 21.5 plus or minus a half second.
因此这是个艰难预测，震荡的周期，应该是-，21。5加减0。5秒。
After discussing the conceptions of power system average frequency and power system oscillation period.
探讨了系统平均视在频率及振荡频率的概念。
One oscillation period, as part of customers out, after you filter sediment, and then accumulated by another wave of sales are in such a law.
一个振荡周期的一部分，客户的，在您过滤泥沙，然后积累另一波销售在这样的法律。
So in experiment we should measure the length of single pendulum, then get the period of oscillation in this condition.
在实验中就要测定单摆的摆长，然后测定此摆长时的振动周期。
Using the single pendulum, we can research the relationship between the period of oscillation of it and the length of it and measure local acceleration of gravity.
通过单摆装置可以方便地研究单摆的振动周期与摆长关系和测定当地的重力加速度。
The period of synchronous oscillation and saturation value of laser intensity agree with estimated one.
得到的同步振荡周期和激光的饱和值与估计的值相符合。
Futhermore, we obtain a relation between the oscillation period and physical parameters.
在此基础上，我们得到了一个振荡周期和吸积流物理量之间的关系式。
Whereas, outside this regime a kind of response oscillation appear, with same period as the constraint.
而在振荡区域外体系则可出现对外控约束的纯粹响应性振荡，周期与外控约束电位振荡相同。
The seasonal sea level change is of annual period and the second oscillation is of semi-annual period.
月平均海面以年周期振动为主，其次是半年周期。
The betatron and synchrotron oscillation are measured frequently during the period of the machine commissioning, operation and machine study.
在加速器的运行、调来和机器研究过程中，需要经常对来流振荡频率进行测量。
Both are based upon the same principle but differ in respect of dimensions, period and amplitude of oscillation.
两者都是基于同样的原则，但是尺寸，时间和振幅不同。
The oscillation period and the oscillation amplitude relate to CO concentration, heating power PF and so on.
在相同的参数下，振荡周期与铁磁-非磁层的对数有关。
Based on the homogeneous model, the numerical computation for the oscillation period and amplitude of pressure drop type instability was conducted.
根据两相流的均相模型，对压力降型脉动的周期和振幅进行了数值计算。
The relation between period and energy for the harmonic-like oscillation is obtained by using the analysis method of horizontal curve of energy function.
利用能量曲线的分析方法，建立了类谐振子的周期和系统能量的数学表达式。
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