Density and Buoyancy Apparatus

密度与浮力装置

You may play the movie for an overview, but it will move too fast for adequate viewing. Put the mouse cursor on the slider at the bottom of the movie and hold the mouse button down; you can then move back and forth to examine the details of interest.

您可以播放影片以获得总体概览，但影片速度过快，难以充分观看。将鼠标光标放在影片底部的滑块上并按住鼠标按钮，然后可以来回移动以查看感兴趣的细节。