A curved-inwards wall has a convergent effect on wall spray.凹型壁面对碰壁喷雾有聚集作用。We shall study a very particular kind of sequences, called convergent sequences.我们将研究称为收敛数列的很特别的一类数列.The finite - difference computation must be ...
The principle of diligence and frugality applies to all undertakings.勤俭节约的原则适用于一切事业.We should run all undertakings industrially and thriftily.我们要勤俭办一切事业.In 1962 there more than 80 undertakings in western Germany engaged ...
A fire in our warehouse was a contingency that we had not expected.库房的一场大火是我们始料未及的。French officials say the government has made contingency plans in the event that the no's win.法国政府官员声称政府已经制定了应急计划，以防持异议者胜出。We must a...