有些巨大的木贼类和科达目植物高度达到一百英尺.Some giant horsetails and Cordaitales reached nearly 100 feet.新烟草碱与假木贼碱在两个群体中均显著正相关.Anatabine was significantly and positively correlated with anabasine in both populations.目的: 研究木贼对心脏功能的影响.Objecti...
The head decided I should have another go at matriculation.主任作出决定：我需要重新申请入学。Matriculation is increasing in many universities in the 1990 s.90年代许多大学的注册入学不断增加.Is attending the language period university to retain student&#...