There is still not the engineering technique norm when stone material plane set up in engineering goes beyond the standard, which brings very difficulty to construction work.

然而，当在工程中所用的石材超出规范要求，就没有工程技术规范可循，这给施工工作带来很大的困难。

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This technique employs standard operations of biomedical engineering, such as polymerase chain reaction(PCR), agarose gel electrophoresis, labeling and detecting of probe.

需要使用包括聚合酶链反应（PCR），琼脂糖凝胶电泳，探针的标记与检测等生物工程技术。

youdao

This technique employs standard operations of biomedical engineering, such as polymerase chain reaction(PCR), agarose gel electrophoresis, labeling and detecting of probe.

需要使用包括聚合酶链反应（PCR），琼脂糖凝胶电泳，探针的标记与检测等生物工程技术。

youdao