因为沉积作用是快速的, 分选作用和层理就得不到很好的发展.Because deposition is rapid, sorting and stratification are generally not well developed.轻的籽粒可以通过空气动力,即气流分选机清理出来.Light kernels may be removed by a pneumatic or air seperator.砂粒在波浪分选作用下从粉砂及粘土中...
Polycystic ovary syndrome ( PCOS ) is the most common cause of chronic anovulation.PCOS是持续无排卵的最常见原因.Results ASR characterized by obesity and anovulation.结果 ASR呈肥胖、无排卵状态.Results The ovulation rate reached 87.5 % in the pa...
The use of CPLD in the design of radar telemeter emphases.介绍了CPLD的内部结构及特点,重点阐述了CPLD在雷达测距机中的具体应用.As an English teacher, I usually lay more emphases on grammar.作为英语老师, 我通常把语法作为重点来讲.We place emphases on teamwork, mutual tru...