单萜类化合物是植物挥发油的主要成份.The monoterpenoids are dominant components in the " volatile oils " of plant species.目的: 研究腺点金丝桃挥发油成分及相对含量.AIM : To study the constituents of Hypericum Scabraum. its percentage composition.方法: 采用水蒸气蒸馏法从...
业余垒球协会的裁判员名单上的人数已经减少到了57,000名。The Amateur Softball Association's roster of umpires has declined to 57,000.这位脾气暴躁的队员曾和裁判员发生过无数次争吵。The fiery player has had numerous run-ins with referees.队员们对裁判员的裁决感到非常气愤.The team was ...
一种棘齿装置把线从线轴转到梭心上。A ratchet mechanism transfers the thread from spool to bobbin.然而, 在探查性外科手术时, 就应该把未开放的棘球蚴切除掉.At exploratory surgical operations, however, the unopened hydatid cyst should be excised.此外关于细粒棘球绦虫培养力的研究,已经取得了...