Epithelial polyps of the urethra in adults are uncommon lesions.成人尿道上皮息肉是一种少见的疾病.The clistressed cow frequently attempts urination and pulsates the urethra over the ischial arch.病牛频频企图排尿,坐骨弓上的尿道发生搏动.Objective: Observatio...
The sick cow frequently attempts urination and pulsates the urethra over the ischium arch.病牛频频企图排尿,搏动坐骨弓上的尿道.The clistressed cow frequently attempts urination and pulsates the urethra over the ischial arch.病牛频频企图排尿,坐骨弓上的...
The cyclopentadiene is prepared by the thermal cracking of dicyclopentadiene.以热裂解双环戊二烯的方法制备环戊二烯.A flexural oscillation model about V - shaped silicon electro thermal microactuator is presented.提出了V型电热硅微致动器的弯曲振动力学模型.To re...
Most plants propagate by seeds.大多数植物都是通过种子繁殖的.Insects propagate themselves by means of eggs.昆虫以产卵繁殖后代.Rabbits propagate [ breed ] rapidly.兔子 繁殖 迅速.Propagate system is integrative , various kinds of medias cannot isolated...