多次测定 meaning in English

multiple determination

Mixing whole sample in one testing may lead to discrepancy in case of different testing because of heterogeneous materials
整体样品混合测试可能因材质的不均匀性而导致多次测定结果的差异。
In order to find the adaptive athletic quantity and exercise density of sports lesson the article analyzed the measured data obtained from sports lesson with different contents and structures in various class ' s male , and female collegians of shanxi coal occupational technical college , simultaneously , these data were compared with japanese related data and provided the necessary reference for improving the teaching quality
为寻找较适宜的运动量和练习密度，本文通过对山西煤炭职业技术学院等不同年级的男、女生进行了不同课的内容、结构的多次测定，并对测定数据进行对比分析，为提高教学质量提供必要的参考数据。