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The use of models derived from the so-called quantitati...
不定项选择The use of models derived from the so-called quantitative structure-activity relationships (QSARs) of potential toxicants is an increasingly important aspect of ecotoxicological work.
直接从激光雷达方程难以进行气溶胶消光系数的反演。 A、正确 B、错误
单项选择题直接从激光雷达方程难以进行气溶胶消光系数的反演。 A、正确 B、错误
分子自由度为i的理想气体的定压摩尔热容为 A. iR ...
单项选择题分子自由度为i的理想气体的定压摩尔热容为 A. iR B. (i+2)R/2 C. iR/2 D. (i+2)/ 2