The two stresses can then be added algebraically to obtain the resultant.然后将两种应力代数相加就得到合应力.It is much easier to indicate how to find the mean by expressing the procedure algebraically.用代数的方法来表现这个过程,就更容易说明平均数是如何求得的.First ...
The first leg of the journey was by boat to Lake Naivasha in Kenya.行程的首段是乘船到肯尼亚的奈瓦沙湖。In Nakuru , north - west of Naivasha, at least 80 people have been killed.在内瓦沙镇的西北部纳库卢镇, 至少有80人已经被杀害....
The tree grew from a small acorn.橡树从一粒小橡子生长而来.To see the problem here more clearly, let's look at a different biological system, say, an acorn...为更清晰地理解此处的问题，我们来看一种不同的生物系统，比如说，橡子。The oak is implicit in the acorn.橡树孕...
a small knotlike protuberance.小结节This paper introduces a lug mantle and solution of bottom protuberance.介绍一种代替深拉深的变通两体风罩结构,及底部外鼓的解决办法.The skull is well domed a pronounced occipital protuberance.头骨是半球形的,枕骨凸起十分明显.There is ...
Olivine has been completely altered to serpentine, talc, and amphibole in the bore - hole examined in detail.钻芯详细检查的结果,橄榄石全部蚀变为蛇纹石 、 滑石及角闪石.Jadeite jade consists of minerals of pyroxene, amphibole and feldspar groups.翡翠由...
利用空化喷咀来产生“空泡”是获得“空化水射流”的简便方法.Some jets pulsed jet , cavitating jet, abrasive water jet are introduced.磨料水射流的性能主要取决于磨料颗粒的冲击速度.The performance of abrasive waterjet depends on the impact velocity of abrasive.在低速射流的预混火焰和扩散火焰...
Marlborough led his armies across the Rhine and surprised the French and Bavarian armies near the village of Blenheim.马尔伯勒带领他的部队穿过莱茵河，在离布莱尼姆村不远的地方向法国和巴伐利亚联军发动了突袭。Had been born in the Oxford nearby Blenheim palace.生于牛津附近的...