Method: Orthogonal design was used in transdermal test with transdermal diffusion rate constant as selection standard.
方法：采用正交试验，对双氯芬酸二乙胺凝胶进行体外透皮试验，以透皮扩散速率常数为考察指标。
In this paper the working principle and installation ways of line surge arrester are mainly analyzed, at the same time the selection standard is discussed.
着重对线路避雷器的工作原理、安装方式等进行了分析，讨论了线路避雷器的选择方法。
DRW in China is relatively poorly studied and works need to be improved including site selection standard series, experimental techniques and modeling approaches.
我国放射性废物的处置与研究较为滞后，需在处置场选址规范体系、核素运移试验以及模拟技术等方面取得突破和提高。
DRW in China has been relatively poorly studied and work needs to be improved in such aspects as site selection standard series, experimental techniques and modeling approaches.
我国放射性废物的处置与研究较为滞后，需在处置场选址规范体系、核素运移试验以及模拟技术等方面取得突破和提高。
By using statistic principles, some improvement on factors selection standard and factors pick-up from data have been made, to improve monthly rainfall forecast greatly.
运用数理统计原理，在因子选择标准和在各种资料中提取因子方面作了些探索，月降水量预测质量有了较大提高。
By using statistic principles, some improvement on factors selection standard and factors pick-up from data have been made, to improve monthly rainfall forecast greatly.
运用数理统计原理，在因子选择标准和在各种资料中提取因子方面作了些探索，月降水量预测质量有了较大提高。
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