这一方法与溶胶分析相比过于繁重.This procedure is obviously much more tedious than sol analysis.由固体微粒悬浮在液体中所组成的溶胶叫胶态悬浮体.A sol that consists of solid particles suspended in a liquid is a colloidal suspension.在几个实验中已经研究了污染的大气中气溶胶的产生.The g...
他们通过无线电证实她在营救幸存者。They confirmed by wireless that she was picking up survivors.船长发无线电说船着火了。The captain radioed that the ship was on fire.英国广播公司刚刚成功地演示了一套新的数字无线电传输系统。The BBC has just successfully demonstrated a new digital...
For most practical cases ergodicity cannot be experimently determined.对最实际的一些情况,各态经历性不可能由实验来决定.They wanted to design a machine that was both attractive and practical.他们想设计一种既美观又实用的机械。How could she be so practical when he...