介绍了三种类型的轴的四种基本的失效模式，给出了多失效模式相关时的机械可靠性分析方法。
This paper introduces the four basic failure modes of three types of shafts, and explicates the multi failure mode related mechanical reliability analysis approach.
目的通过检测儿童急性白血病多药耐药基因及细胞凋亡调控基因表达水平的改变，分析不同类型白血病的主要耐药机制。
Objective To study the drug resistance in different types of acute leukemia in children, the expression of multidrug resistance gene and apoptosis-related genes were analyzed.
实验结果表明，有些液相基质对多类化合物具有较好的通用性，而有些液相基质对某些特定类型化合物的分析特别有效。
It is shown from the experimental results that some liquid matrixes possessed a good versatility and the others are especially efficient to the analysis of particular compounds.
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