玄武岩是最普通的火山岩.Basalt is the commonest volcanic rock.需要用玄武岩来铺设路面或修防洪堤.Basalt is needed to surface a road or to build a break water.所有的迹象只表明海洋地壳处都是玄武岩质的,组成也比较稳定.All indications are that it is everywhere basaltic and relative...
物理学家知道, 静力学只是动力学的一种抽象.Statics, the physicist knows, is only an abstraction from dynamics.该问题归结为静力学的范畴.The problem is placed under the division of statics.过量抽取地下水时,产生利于海水的流体静力学水位差.Over pumping of ground - waters produces ...
On the other hand , it may represent a direct vasodilator action unrelated to cholinergic blockade.这可能是一种与胆碱能阻断无关的直接血管扩张作用.The enlarged cisterna magna is an unrelated finding.发现枕大池扩大与此病无关.Mr. Berry said the timing was a ...