Examples of other technologies include : Cable Television ( CATV ) Services, Display Systems and Public Address Systems ( PA ).例如: 有线电视 ( CATV ) 服务 、 显示系统和公共广播系统 ( PA ) 等.The advent of HFC network infrastructure establis...
菌根起着固氮和贮氮的作用.Mycorhizae perform the function of nitrogen fixation and storage.在生境中用带有合适菌根真菌的土壤接种.The site had been inoculated with soil containing suitable mycorrhizal fungi.大青杨VA菌根生理生态学研究.Ecological and Physiological Re...
我有五个学时的化学实验课, 还得申请医学院,还要工作.I've got a five - hour chem lab, plus med - school applications and work.在实验课上全班被分成了四个小组.The class was divided into four groups on the laboratory course.达斯汀: 是科学实验课.我们得做实验.Dustin: It'...