E 2 and E 5 sets mainly produced stainable abortive pollens ( SAP ), whereas E 3 set mainly did empty abortive pollens ( EAP ).E2和E5位点组的作用主要产生染败花粉, 而E3位点组的作用主要产生空败花粉.A device that collates, merges, or matches sets of pun...
对于两个七十几岁的人来说，这段路太远了。It's a long way to go for two people in their seventies.这厅最多能容纳七十人.This hall holds a maximum of seventy people.他看起来不到七十岁.He looked younger than his 70 summers....
This is a pity, because noise abatement really is a good cause, and it is likely to be discredited if it gets to be associated with bad science.这是件憾事, 因为减少噪音实在是一项美好的事业; 如果把它与贫乏的科学知识搅在一起,那么这种美好的事业有可能使人生疑.Fractures of the ...
这钻机有变速控制。The drill has variable speed control.他发明了新的钻机之后, 许多荣耀都加在他的身上了.After he invented the new drilling machine, honors were thrust upon him.这种钻机的位置是锚定的.The rig is moored in position....
Our work must answer the specifications laid down.我们的工作应符合所定的规范.This Recommendation provides specifications for interworking of network protection architectures.本建议为网络保护结构提供规范.Sheet metal ductwork and specialties, comple...
从某些方面来说，正式的开幕仪式只不过是走个形式。In some ways, the official opening is a formality.他们郑重其事地剪彩，宣布展览开幕。They ceremoniously cut a piece of ribbon, declaring the exhibition open.他的开幕讲话搞砸了。He muffed his opening speech....