Problem is, it's been hard to verify that this oscillation between orbit shapes exists.

问题是，很难证实轨道形状存在这种变动。

As for whether modern-day humans need to worry about this 405,000-year oscillation?

“那现代人类是否需要担心这种以40.5万年为周期的振荡？”

Fascinated by the rhythmic movement of the lamp, Galileo began to count its oscillations.

受油灯有节奏的运动吸引，伽利略开始细数油灯摆动的次数。

And that, is to look for periodic oscillations in the data.

这种办法就要靠寻找数据中的脉冲了。

In this case., flavors are basically different states of oscillation, but these states are not stable.

在此例中，味是振荡不同的基本状，但是这些状是不稳定的。

They are exhibiting these slow oscillations, slow waves whereas the limbic system which controls emotions is awake.

理性区域表现出这种慢波睡眠状，慢波，而控制情绪的边缘系统是清醒的。

That's much faster than any other biological oscillation, and we would like to understand where it comes from.

这比任何别的生物振动都快，想弄明白它是怎么来的。

The oscillation part is because it seesaws between warm and cold states about every two to seven years.

这种涛动发生是因为大约每两到七年之间冷热交替循环发生。

The element needed to have long-lived and high frequency electron oscillation for precise, long-term timekeeping.

该元件需要具有长寿命和高频电子振荡，以实现确、长期的计时。

This rate is measured in Hertz or oscillations per second.

该速率以赫兹或每秒振荡次数来衡量。

A shorter wavelength would give more rapid oscillations between bright and dark spots.

更短的波长会带来亮斑和暗斑之间更快的振荡。

These oscillations are measured in cycles per second, using units called Hertz.

这些振荡以每秒的周期数来测量，使用的单位称为赫兹。

And as you probably know, we have oscillation or vibrations that come from our bodies.

而且你可能知道，的身体会发出振荡或振动。

Every cell of our body has a 24-hour oscillation in the expression of various genes.

身体的每一个细胞都有基因表达的24小时振荡。

So how's that different than basic oscillation back and forth?

那么，这与基本的来回振荡有何不同呢？

So it has to be in three-dimensional space and kind of oscillation.

因此，它必须存在于三维空间中，并呈现出某种振动形式。

Instead, light, and any kind of electromagnetic radiation, is an oscillation of an electromagnetic field.

相反，光以及任何形式的电磁辐射，都是电磁场的振荡。

And these oscillations  can reach a point where there is a breach.

这些振荡可能会达到突破点。

The car suffering from aerodynamic oscillations and bouncing off the ground.

赛车遭遇了空气动力学振荡，并从地面弹起。

That is sort of the rationale for how these oscillations disrupt brain activity.

这就是这些振荡如何扰乱大脑活动的基本原理。