Difficulties arise in attempting to understand the mechanisms of antiarrhythmic drug action for several reasons.在企图了解抗心律失常药物作用的机制中产生某些困难是有一些原因的.Objective To assess the antiarrhythmic effect of implantable Cardioverter de...
人种学的起源可以追溯到达尔文.The origins of ethology can be traced back to Darwin.人种学调查的基本方法简单直观, 并且不需要什么高科技.The basic methods of ethnographic interviewing are simple, straightforward, and very low tech.收藏古生物学 、 质学 、 物学和人种学.Paleontolo...