末端后肠形成肛管的上部.The terminal hindgut forms the upper portion of the anal canal.结肠左曲在胚胎发育时乃源自后肠,一般是由下肠系膜动脉分之左结肠动脉负责供应血液.This artery arose from splenic artery and ran inferiolaterally to the area of the left flexure.方法观察99例肠上皮...
The road to peace will be long and drawn-out.通往和平的道路将很漫长。It was five long miles to the nearest pub.离最近的酒吧有长长的5英里的路程。His destination was Chobham Common, a long way from his Cotswold home.他的目的地是乔伯姆公地,那里和他在科茨沃尔德的家离得很远。...
Diamonds have extreme resistance to abrasion.钻石极抗磨损.Erosion of pipes and vessels from abrasion by particles can be serious.由于固体颗粒的磨蚀作用,管子和容器的磨损严重.Abrasion also abets wind erosion.磨损作用也助长了风的侵蚀....
Therefore, a LRC filter is designed and the harmonic of switch frequency is eliminated effectively.为此设计了LRC滤波器,有效地抑制了输出电流中开关频率处的谐波成分.FM programs recording, LRC synchronizing function.调频节目录制,歌词同步功能....