忙忙碌碌的人们无暇停下来反思。People who lead busy lives have no time to stop and reflect.昨天罗斯先生和伍德黑德先生都无暇发表意见。Neither Mr Rose nor Mr Woodhead was available for comment yesterday.大多数人都忙于自己的烦心事，而无暇提供太多的帮助。Most people are too busy with t...
结论可吸收性珊瑚羟基磷灰石具有促进骨髓基质细胞表达成骨细胞表型、合成细胞外基质的功能,是良好的细胞载体.Conclusion The absorbable coral hydroxyapatite is a good bone tissue engineering scaffold.探讨喷涂过程中羟基磷灰石晶体的相变化与结构稳定性.Phase changes and structural stability of hydroxyapat...
此时每条染色体由一对染色单体构成,这两条联合的染色体称为四分体.At this point esch chromosome consist of a pair of chromatids and the two associated chromosomes are termed a tetrad.这种四分体最终萎缩或被再吸收.The tetrads eventually shrivel or are resorbed.结果形成二分体孢子...