chromosome banding染色体显带Miscarriages are usually caused by abnormal chromosome patterns in the fetus.流产通常是因为胎儿的染色体异常造成的.These chromosome aberrations are all stable, compatible with cell viability.这些染色体畸变都是稳定的, 不影响细胞生活力的.L...
He promoted the dissemination of scientific ideas.他推动了科学观念的传播。The dissemination of error does people great harm.谬种流传,误人不浅.Disease and coincident dissemination of virus may occur to produce an epidemic.本病及同时传播着的病毒即可引起一次流行...
Pear trees are grafted on quince rootstocks.梨树被嫁接到榅的根茎上。Such rootstocks or cultivars were reproduced true to type by vegetative propagation.这些钻木和品种,通过无性繁殖长成和亲本一样的类型.Apple orchards comprised mainly of standard trees on se...