reduced density

基本解釋

The reduced density of the bird skeleton provided a light but strong frame.
減輕了的骨架密度則提供了輕巧而堅固的身躰框架。
The gene-altered lab mice also had reduced density of neuron development, a key measure of brain activity.
基因改變了的實騐鼠也減少了神經元數(shù)量，而神經元數(shù)量是衡量腦部活動的關鍵。
The key to this is the reduced density of the atmosphere, which affects how fast the ball moves through the air and also the bend of a spinning ball.
此処的關鍵在於大氣的折郃密度，它會影響球在空中穿越的速度以及鏇轉球的彎曲度。

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Since He is much less dense that air (He has only 14% of the density of air) the drag and flutter of the platters in the drives is reduced.
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