He promoted the dissemination of scientific ideas.他推动了科学观念的传播。The dissemination of error does people great harm.谬种流传,误人不浅.Disease and coincident dissemination of virus may occur to produce an epidemic.本病及同时传播着的病毒即可引起一次流行...
他们发现狄氏剂的挥发常随紧实度的增加而减低.They found volatilization of dieldrin tended to decrease as bulk density increased.狄氏剂与艾氏剂有关,对蚯蚓的毒性是相似的.Dieldrin is related to aldrin, and its toxicity to earthworms is similar....