SD rats were divided into 3 groups: control, scald and electret group.将大鼠分成对照组 、 烫伤组和驻极体实验组.The melt blown nonwoven technology, the electret theory and electret nonwoven are introduced in this paper.系统介绍了非织造布熔喷工艺 、 驻极化理论...
A lion's mane jellyfish nestled in a kelp frond.一只狮鬃水母呆在一片海藻叶子中.Don't walk in frond of me I may not follow.不要走在我前面,我可能跟不上.A: Mr. Johnson, There is a Mircrobus waiting at the frond door.约翰逊先生, 面包车正等在门口....
The Network Multimedia CAI Courseware provides a bran - new teaching mode.网络多媒体CAI课件提供了一种全新的教学模式.CBE ( computer - based education ) includes two main fields - CAI ( Computer - Assisted Instruction ) and CMI ( Computer Ma...