A new process and high effective catalyzer of acephate's synthesis was studied in this paper.本文提供一种用新型高效催化剂催化甲胺磷与酰化剂醋酐合成乙酰甲胺磷的新工艺.Acephate is on sale principally in the form of crystal in national and international ...
赫柏是古董车的收藏家.Herb a collector of vintage cars.众议员威尔伯D. 米尔斯会见选民赫柏泉, 阿肯色, 讨论了经济衰退.Congressman Wilbur D. Mills meets with voters Heber Springs, Arkansas, to discuss the recession....
我可以用测量法求得某物的体积.I can find the size of something by means of measurement.知道了某物的距离才能判断其高度。You can only judge how high something is when you know how far away it is.它死命地抓住某物.It grips sth . in its death clutch....