微震的震中位于苏尔特湾。The tremor was centred in the Gulf of Sirte.当离震中距离更大时,瑞雪波才变得显著.At greater epicentral distances the Rayleigh waves become very prominent.地表上直接对着震源的那一点称为震中.The point on the earth's surface directly above i...
Extensive advertising can cause a factitious demand for an article.大规模的广告宣传能引起对某一商品的反常需求.factitious enthusiasm假热情Factitious what is occasionally is affection respect late blunt?人为什么有时候在情感方面很迟钝?How does the person make tr...
Her ignorance of the area put her at a decided disadvantage.她对该地区一无所知，这显然对她不利。A snap election would be to their disadvantage.提前选举将对他们不利。The fact that I was a foreigner was a big disadvantage.我是外国人这事实对我十分不利。...
The enamel surface microhardness was measured by a Leitzs microhardness tester.采用维氏显微硬度仪测定经饮料浸泡后牙釉质表面显微硬度的变化.The microstructure and microhardness of ths laser nulted Fe - Sb alloys were studied.研究了激光表面熔化Fe-Sb合金的显微组织和显微硬度...