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- X inactivation starts at the X inactivation center(XIC) and spreads throughout the chromosome. X失活开始于XIC，然后传播到整条染色体。
- The methylation of histone H3-K27 was proved to be linked to several silencing phenomena including homeotic-gene silencing, X inactivation and genomic imprinting. 组蛋白H3第27位赖氨酸的甲基化与同源盒基因沉默、X染色体失活、基因印记等基因沉默现象有关；
- We use x as the symbol for an unknown quantity. 我们用x表示一个未知数。
- random X inactivation X染色体随机失活
- X inactivation X染色体失活
- Ms X has been named for the directorship/named as the new director. 某女士已被提名任董事职务[任命为新董事]。
- What does x represent in this equation? 这个方程式中的x代表什么?
- X inactivation center XIC
- X inactivation center(XIC) X失活中心[在lyon学说基础上, 人们推测X染色体上存在一个特异性失活位点, 即X失活中心, 此中心可能产生一个失活信号, 关闭了X染色体上几乎所有基因的转录]
- The Sunday Times ran an article headlined "The X Brothers". 《星期日泰晤士报》登载了一篇标题为"X兄弟们"的文章。
- High Pressure inactivation of microorganisms. 微生物高压失活。
- X rays and antibiotics are adjuvant to surgery. X. 光和抗生素是外科手术上的辅助医疗物。
- The motion (ie for debate) was proposed by Mr X and seconded by Mrs Y. 那动议经X先生提出有Y夫人附议。
- Generation X tends to individualism. X一代倾向于个人主义。
- The letter "x" stands for an unknown number. 字母x代表未知数。
- Long sonication periods can lead to some inactivation. 长时间的声波作用可导致某种程度的失活。
- When will I know the result of my x ray? 我何时可以知道X光检查的结果?
- The product is the inner product of x and y. 这个乘积是向量x与y的内积。
- A number X is called an almost upper bound of A. 数X称为A的殆上界。
- Adjoin two new vertices X and Y to N. 在N中添加两个新顶点X和Y。
