The school mathematics "layer teaching, and implementation of educational research group cooperation standard" teaching method.
学校数学教研组实施“分层施教，合作达标”教学法。
Objective To discuss the judgment standard of E. coliform group by slip method.
目的探讨纸片法检测大肠菌群的结果判断标准。
Objective To discuss the judgment standard of E. coliform group by slip method.
目的探讨纸片法检测大肠菌群的结果判断标准。
应用推荐