Undercrossing tunnels are frequently constructed by the shield-driven method in metro projects.Shield tunneling affects the existing tunnel inevitably.

摘要在地铁工程中，常采用盾构法修建正交下穿隧道，新隧道的掘进不可避免地对既有隧道产生影响。

Edward Hirsch successfully and skillfully uses many language devices in his love poem“REGRET”including figurative languages, sppech styles, enjambment, metaphors, images, oxymoron, and chiasmus.

摘要爱德华赫胥巧妙地运用语言技巧来描述其作品“遗憾”，如谈话型态，跨句连接，隐，，矛盾修饰法，交错法等，而使情诗“遗憾”描写得扣人弦。

The north of zhungeer is the main district of Central Asia desert mammal population and the mammal in Altai is north subfrigid zone coniferous forest pattern.

摘要准噶尔盆地沿与阿尔泰山地的兽类,山方针叶林型动物群为主,平原中亚荒漠型动物群居多,广布种掺杂其间。

Xanthic ester is a kind of catcher in the floatation of minerals.Though only a very little amount of xanthic ester is discharged into water, it smells wondrously bad.

[摘要] 浮选矿捕集剂黄原酸酯极少量地排入水中也能使水的味道极其难闻。

This paper discusses the structure, functions, characteristics and the convenience of individual drugs parcel for seawise soldier. The parcel can he used for peacetime training and wartime service.

摘要海训单兵药包根据对药包的形式、救治功能、性能特点、使用方便等要求进行设计，使单兵药包适合于陆海军事训练及战时使用，并方便、有效地提供了训练及战时的救治保障，确保了部队战斗力。

LDH-C4 is specific to mature testes and spermtozoa of bird and mammal.It is related to metabolic processes that provide energy for motility and survival of spermtozoa.LDH-C4 is an autoantigen.

摘要精子特异性乳酸脱氢酶特异地存在于鸟类和哺乳类动物的成熟睾丸和精子中，为精子的运动和存活提供能量。