常见例句

As structural chromosome changes is concerned, the duration of culture predominantly uncreased the frequency of cells with telocentric chromosomes.
对于染色体结构变异,培养时间延长主要是提高了端着丝点染色体的频率。
.. The characteristics of the PU products are stabilization, environmental, distortionless, uncreased, waterproof and antiseptic.The PU ...
北京德丽港湾聚氨脂制品厂版权所有聚氨酯装饰材料北京聚氨酯排卵期木雕丰胸产品论文发表 .