格式，此格式将资料分为四个层次，分 别为作品层(work level)、内容版本层(expression level)、 载体版本层 ( manifestation level )、单件层(item level)，兹分别说明如下： （一）作品层(work level) 在作品层载入的实体是...
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...癌基因（oncogene），顾名思义，该基 因和癌症相关．它本身是细胞的正常基因．正常细胞中原癌基因的表达水平（expression level）一般较低，而肿瘤细胞中一些原癌基因具有高水平的表达（over．expression or increase expression），导致细胞分化程度过低，形成...
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protein expression level 蛋白质表达水平
gene expression level 基因表达水平上
genes expression level 相关基因表达水平
expression level of trypsinogen mrna 胰蛋白酶mrna表达水平
estimation of expression level 表达值估计
relative gene expression level 达水平
high expression level 表达水平较高
mrna expression level mrna表达
higher expression level 增加表达水平
Conclusions The expression level of hTERT mRNA is of heterogeneity in the leukemic cells.
结论 hTERT mRNA在人白血病细胞中的表达水平存在异质性。
参考来源 - 实时定量PCR检测人白血病细胞hTERT mRNA的临床意义However the expression level was under 30％.
但表达水平不足30％。
参考来源 - 心钠素基因工程研究及小肽基因工程技术路线探索The VP7 protein was expressed within eukaryotic cells,but the expression level was low.
结果显示,VP7蛋白在真核细胞内获得了表达,但表达量较低。
参考来源 - 非洲马瘟病毒VP7基因在重组杆状病毒中的表达及抗原性检测·2,447,543篇论文数据，部分数据来源于NoteExpress
It is embodied in two aspects: the expression level and technology level.
它体现在两个层面上：表达层面和技术层面。
Objective To increase the expression level of HBsAg in ginseng callus cells.
目的提高乙型肝炎病毒表面抗原在人参愈伤组织细胞中的表达。
Differences of SOD isozyme only lied in expression level, and there were no specific band.
SOD酶谱的差异只是体现在表达量的多少上，并没有出现特异性的条带。
And that's one of the things Jacob was noted for. His level of expression is so profound that even with a few strokes, he can pick up the action and show it to you".
VOA: special.2009.09.02
Clinton's comments at a joint press event with the Uruguayan leader were the highest-level expression of U.S.concern thus far about a Venezuelan arms buildup that gained momentum with an announcement this week that the South American state will buy Russian battle tanks and anti-aircraft missiles.
VOA: standard.2009.09.15
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