GPS survey and the method of high density resistance rate are two kinds of the advanced practical techniques in admin...

GPS测量及高密度电阻率法两种先进实用技术，是项目实施的先进手段。

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That engine would carry the hypersonic craft to an altitude where air density and resistance are less.

引擎将高超音速飞机带向空气密度、阻力比较稀少的高度。

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The control group showed a decrease in soleus muscle mass and strength, the development of insulin resistance, and a loss of bone mineral density and resistance to breakage.

FORBES: Didn't Have Time to Exercise? Drink Some Red Wine.