这些火焰造成了对流漏斗，把许多微粒抛向上层大气。These fires create convection funnels, and throw a lot of particles into the upper atmosphere.对流可分为两类, 即 自然对流和强制对流.Convection can be of two types: natural convection and forced convection.散发汗水的一种方...
汽车有动力转向和中枢锁闭系统.The car has power steering and a central locking system.转矩扳手需按期校准, 并保留橡皮布锁闭编制状况精良.Torque wrench required periodic calibration, and keep the blanket latching system in good condition.Magnalocks经常被用来锁闭紧急逃离路径...
每个学生都有导师指导他们写论文。Each student has a supervisor to advise on the writing of the dissertation.他正在写论文, 突然一阵头晕.He was writing his essay when, all of a sudden, he was seized with giddiness.我注意到大部分学者暑期都在写论文。I noticed that most ...
It was first published in 1914 in a highly expurgated version.它初版于1914年，当时删除了大量内容。The writer expurgated some parts from his novel when he read the third times.作家第三次审稿时又删去了几部分.He heavily expurgated the work in its second ...
Orientation control of primary carbide in Fe - Cr - C hardfacing alloys.Fe -Cr-C 耐磨堆焊合金中初生碳化物生长方向的控制.A hardfacing electrode containing boron and various alloy elements has been developed.研制出一种含硼等多种合金元素的耐高温磨损堆焊焊条.Study of...
一只金刚鹦鹉站在栖木上冲他尖叫。A macaw screeched at him from its perch.鸟停歇在栖木上.The bird took its perch.其它保护措施是可在种子园中到处设置木制的栖木.Other protection can be obtained by providing wooden perches througout the orchards....