This paper presents the development of acoustic immittance apparatus and application in diagnosis of ear disease.本文详细介绍了声导抗测试技术的发展及在耳科疾病诊断中的应用.This paper presents the contactless control of flasher with triode.提出了用三级管导通和...
Harry had carefully bought and wrapped presents for Mark to give them.哈里精心购置了礼物又仔细包好，让马克交给他们。Diana is taking the opportunity to wrap up the family presents.黛安娜利用这个机会将家人的礼物包起来。Jeff had shopped extravagantly for presents f...
The alkyd is cross - linked by the amino resin during baking.这种醇酸是氨基树脂在烘烤时交联而成.The reaction of catalpa oil, tung oil and hydroxyl - terminated polybutadiene gives alkyd resin with quick - drying property.利用梓油和桐油以及带端羟基的聚丁...
Paleontologists know chert as a good place to look for fossils.古生物学者知道黑矽石同样的好地方去观看化石.The fossils appear to be an early form of seaweed washed up on a beach.这些化石看上去是被海水冲上岸的一种早期的水藻。The geologist found many uncovered fossil...
He chewed the stem of his pipe and eyed her sceptically.他嘴里衔着烟斗柄，满腹狐疑地打量着她。"What's your point?" demanded the old man sceptically.“你想说什么？”老人疑惑地问道。Then when fighting did erupt, he took us half seriously , half sceptic...
...Admiral Hodges.海军上将霍奇斯Sixty - five - year - old John Hodges must retire from Acme Printing.65 岁 的约翰·霍奇必须要从埃克米印刷长退休了.Hodges cut in from the right and lost his balance.霍杰斯突然从右边插进来,失去了平衡.- Hey, Nick - Hodges, did you get...