A vibrating membrane in the ear helps to convey sounds to the brain.耳膜的振动帮助声音传送到大脑.In wind instruments the sound is produced by a vibrating air column.管乐器的声音是由振动的气柱产生的.Stationary waves are also produced in vibrating colu...
The vibrating centrifugal dehydrator and scraper discharge centrifugal dehydrator are usually used in coal mine industry.振动离心脱水机与刮刀卸料离心脱水机是煤矿常用的两种离心脱水机.If a vibrating string is lightly touched at its midpoint , its pitch...
She virtually never mentions him in her corre-spondence or notebooks.她在书信和笔记中几乎从不提及他。Marco Polo's travelogue mentions that Kublai Khan sent envoys to Malgache.马可波罗游记中提到忽必烈曾派使节到马尔加什.Tom mentions that he often sees he...
Everyone was struck by their readiness to pass on all they knew.他们很愿意把自己的知识传给别人,这给每个人都留下深刻印象。...his readiness to raise taxes as part of an effort to cut the budget deficit.他已准备把增加税收作为削减预算赤字的措施之一He is putting the accent o...
All rubber elastomers shall be of chloramine resistant material.所有弹性合成橡胶应该是耐氯胺腐蚀材料.The results indicate that chloramine is of notable inactivation effect on Cyclops.结果表明,氯胺对剑水蚤具有显著的灭活作用.All wetted rubber parts shall be m...