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- four cell stage 四细胞期(胚胎)
- Eggs of 3rd cleavage (8 cells stage). 第三分裂卵（八细胞期）。
- Eggs of lst cleavage (2 cells stage). 第一分裂卵（二细胞期）。
- This halted development whenever it was added to embryos up to the stage when they were only four cells big. 在胚胎发育初期也就是在其只有四个细胞时，药物一放入胚胎就停止继续发育了。
- RASGRF2 expression was restored after treatment with 5-Aza-CdR in all four cell lines tested that downregulated RASGRF2 expression. 表达降低并有异常甲基化的细胞株经过 5-Aza-CdR处理后,RASGRF2 基因可以重新表达。
- Results Different degree of CpG island hypermethylation of MT3 gene existed in all the four cell lines of esophageal squamous cell carcinoma. 结果四种食管鳞状细胞癌细胞株的MT3基因均存在不同程度的CpG岛超甲基化。
- When you first create a matrix, the matrix displays four cells. 首次创建矩阵时,矩阵显示四个单元。
- Soap KL-S100 is an excellent collector chemical for flotation deinking and can be added to the pulper, at the flotation cell stage or as a split addition at both points. 皂KL-S100是一种很优秀的浮选脱墨捕集剂，可以添加在碎纸机里、浮选槽系统或分别在以上两个位置上。
- Tetrad 1.A group of four cells formed as a result of meiosis in a spore mother cell. 四分体：1由孢子母细胞减数分裂产生的一组四个细胞。
- Fertility was sensitive to temperature in the forth young panicle development stage i.e. fertility was sensitive lo temperature from stamen and pistil formation stage to pollen mother cell stage. 育性温度敏感期为幼穗分化第四期(雌雄蕊形成期至花粉母细胞形成期);在相同低温的条件下,短日处理的光温敏核不育系的不育度大大降低。
- Four cell strains of anti-rabbit IgG monoclonal antibodies are obtained. One of the four monoclonalantibodies -RG48G_8, which is against Fc fragment, is coupled to polystyrene tubes. 采用杂交瘤技术，获得了四株抗兔IgG单克隆抗体的杂交瘤细胞株（其中RG48G_8一株为针对兔IgG Fc片段的单抗）。
- The interferon sensitivity of four kinds of fish cell lines to HuINF-a and five types of fish interferons, CIK-IFN, CAB-IFN, GCB-IFN, GRE-IFN and FHM-IFN, was investigated. These four cell lines were not sensitive to HuIFN-a but to five fish interferons. 本文研究了四种鱼类培养细胞CIK、 CAB、 GCB、 GRE对HuIFN－a， CIK、CAB、GCB、GRE、FHM等五种鱼类培养细胞干扰素作用的敏感性。
- Firstly , The basic theory of the ultra-short baseline system is dissertated.And then, several typical localization model of four cell lineup is analyzed and investigated thoroughly. 首先论述了现有超短基线被动声定位系统的基本理论，紧接着深入研究了几种典型的四元方阵的定位模型，通过性能对比、精度分析，讨论得出了最优的定位模型。
- When you first create a matrix in Report Designer, the matrix displays four cells. 当开始在报表设计器中创建矩阵后,矩阵随即显示四个单元。
- The simulation calculation of kinematics for a four celled tetrahedron-tetraledron variable geometry truss manipulator is giwen. 本文对冗余度变几何桁架机器人的轨迹规划进行了研究。
- With more free cells, it's easier to move long runs and shift cards around quickly; having four cells free means you have temporary spots for four cards. 空出的可用单元越多,就越容易移动长串并快速来回移动牌;空出四个可用单元表示您有可移动四张牌的临时场所。
- It is clear to all of us that two plus two is four. 二加二等于四对我们大家都很清楚。
- He wove four plots together into a novel. 他把四条情节编成一部小说。
- We have tea at four o'clock in the afternoon. 我们在下午四点钟喝茶。
- The town boasts four swimming pools. 这座城镇以拥有四个游泳池而自豪。
