而且所有声频均有指向性,声频愈高, 指向性愈强.The higher the acoustic frequency is, the stronger its directivity is.它表现在空间生产力发展的继承性 、 指向性 、 加速性和国际性四个方面.The inheritance that its performance grows in dimensional productivity, directivity, accel...
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.艾氏剂和氯丹都是重要的杀虫剂.Both Aldrin and Chlordane are valuable insecticides....
你会安全无恙的,但也要做最坏的准备. ”We're the ones who catch hell afterwards. "我正寻找一种象每个人射击, 但他们都无恙的方法.What I'm looking for is a way to shoot everybody, and they're all OK....
On the customs declaration, the sender labeled the freight as agricultural machinery.在报关单上，寄货人将货物列为农用机械。If undelivered, please return to sender.若无法投递，请退还寄信人。Undeliverable, returned to sender.无法投递, 退回原处....
长凳的靠背可以向前翻折成一张桌子。The back of the bench folds forward to make a table.盒子盖翻折过来以更好露出商品.The top of the box bends back to show the goods.这张照片的边已经翻折起来了.The edges of the picture have been lapped over....