大多数禾本科胚有一片瓣 状 结构通常称为外胚叶.Most grass embryos have a flap - like structure known as the epiblast.目的: 研究少汗性外胚叶发育不全引起先天缺牙的ED1基因突变.Objective : To detect ED 1 gene mutation in three hypohidrotic ectodermal dysplasia ( HED ) nuc...
It made it almost impossible for the smaller retailer to compete against the multiples.这使得小零售商几乎不可能跟连锁店竞争。Their numerical system, derived from the Babylonians, was based on multiples of the number six.他们的数制源自古巴比伦人，以数字6的倍...
The axioms adopted by Euelid mere supposed to be self - evident truths.欧几里德用的公理都应看作是不证自明的真理.The theorems should be deduced from axioms by purely logical arguments.定理应该通过纯粹的逻辑的推导而从公理演绎得到.The simplest of the substitute axi...
我的医生要我去做个检查，看是否患有糖尿病。My doctor wants me to be tested for diabetes.有高血压的人尤其易患糖尿病。People with high blood pressure are especially vulnerable to diabetes.他患有糖尿病和胃溃疡。He suffered from diabetes and gastric ulcers....
连续监测吸入气 ( F1 ) 和呼出气 ( FB ) 中的异氟醚浓度.The expiratory ( F E ) and inspired ( F 1 ) concentration of isoflurane were monitored continuously.这些作用可能参与了异氟醚在体内的心脏保护作用,但异氟醚的这些有益作用并非由ATP钾通道介导.These inhibitory actions of isoflurane ...