GPS survey and the method of high densityresistance 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。
2
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。
3
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.