Sometimes, though, essay tests have disadvantages, too.
不过,“文章”考试有时也有缺点。
The essay discusses a series of tests which the factors of the carrier density . solidified agent density, medium and PH value influence the capacity of lysine production solidified yeasts.
本文报道了载体浓度、固化剂浓度、培养基浓度以及其PH值等因素对固定化酵母产赖氨酸影响的系列试验和结果。
This essay is intended to discuss and analyze the problem of how to decrease errors in the experiments on air cushion guide in terms of practice and data tests.
本文在实践及数据测试基础上,分析了气垫导轨实验减小系统误差的问题。
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