Machine parts of irregular shape can be washed very clean by ultrasonics.用超声波能把形状不规则的机件洗得很干净.In medical and other applications of ultrasonics , a variety of electronic instrumentation is used.超声波在医学和其它应用中, 要使用许多电子仪器设备.Th...
The ultrasonics stopped and the light went soft.超声波停了，灯光也弱了一些。In medical and other applications of ultrasonics , a variety of electronic instrumentation is used.超声波在医学和其它应用中, 要使用许多电子仪器设备.Machine parts of irregular shape ...
Walruses have enormous appetites and hunt for food almost constantly.海象食欲极大,几乎一直在猎取食物.I normally eat seals but also can dine on walruses, mussels or even berries and seaweed.我通常吃海豹,但也能吃海象, 蚌类,甚至是浆果和海藻....
图1-23髂骨大块取骨遗留的缺损.Fig. 1 - 23 Defect in ilium after large graft was removed.显露髂骨非常简单,但可导致相当多的出血.Exposure of the ilium is simple but may cause considerable bleeding.自体髂骨移植可减少排异反应, 提高手术的成功率.Using self - ilium graft may redu...
He passed the letters to the Department of Trade and Industry.他把信交给了贸工部。I am expecting several important letters but nothing has arrived.我正在等几封重要的信件，可是一封都没到。We delved through a sackful of letters to draw the winning name...
Secondly , an algorithm of replication placement policy is proposed depending on prognosticate mechanism.提出了动态阈值预测机制的副本自适应放置算法, 以提高系统吞吐量.The treatment involves the placement of twenty-two electrodes in the inner ear.这一治疗...