利用系统的辅助信息，改变以消耗大量资源为代价的概率全寿命试验方法为小子样全寿命试验方法。
The methods reduce test samples by some auxiliary information, and also converts the life tests into few samples and green tests for resources.
通过改变试件尺寸及加载方式，还可进一步探讨采用本试验方法测量混凝土的直接抗拉强度，研究混凝土的其它性能。
The experimentation indicates that it is effective to measure the direct tensile strength and other character of concrete by change the size of the test piece and the way of loading.
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