设计临床科研试验的主要原则-中国临床试验与研究网 关键词］ 临床试验；原则；试验分期；关键设计 [gap=1102]Key words：Clinical Test；Principle；Test By Stages；Key Design
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The test, which scans for mutations in 12 genes expressed by colon tumors, can tell patients in the early stages of colon cancer the chances that their disease will come back after treatment.
该检测方法，通过扫描结肠肿瘤特有的12个基因突变，可以在早期告诉患者术后癌症复发的概率。
The storage behavior of the lots, at different stages of processing, was studied by performing an accelerated aging test.
这批的存储方式在不同阶段的处理上有意的执行了一个加速老化试验。
By using red clay in a laboratory test, the shear strength of cement-treated red clay with different mixing ratio of cement is tested at different stages, and its mechanism is analyzed.
通过室内试验，采用特殊土即某类红粘土，研究了不同水泥掺入比对水泥红粘土抗剪强度的影响，并进行了比较分析。
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