Countries are eliminating cash at varying speeds.

现金在各个国家消失的速度不同。

Rainfall's Speed: Raindrops fall at varying speeds depending on their size.

7. 降雨速度：雨滴的下落速度因大小而异。

So with this app, you can copy and paste any text from the internet, and you can also vary the speed.

因此，使用此应用程序， 您可以从互联网上复制和粘贴任何文本，还可以改变速度。

They dissolve gathered evidence in a gas, and can monitor and analyze the ingredients as they separate and move at varying speeds due to their unique chemical properties.

他们将收集到的证据溶解在气体中，并且可以监测和分析成分，因为它们由于其独特的化学特性而分离并以不同的速度移动。