At the beginning of the program, according to PPJ, 64 percent of the children in targeted households were malnourished.
根据PPJ的数据，计划刚启动时，被扶助家庭的儿童百分之六十四营养不良。
The effects of PPJ, a surfactant, on B and Mn ion absorption in cotton were studied.
低浓度的表面活性剂PPJ会促进棉叶对硼和锰离子的吸收。
The effects of PPJ, a surfactant, on B and Mn ion absorption in cotton were studied.
低浓度的表面活性剂PPJ会促进棉叶对硼和锰离子的吸收。
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