Wide plastic film mulch has demonstrated obvious positive effect on soil temperature.
宽地膜覆盖对土壤温度有明显的正效应。
The preparation of the positive electrode materials was done in the solution at low temperature.
论文采用了低温液相方法制备正尖晶石型锰的嵌锂氧化物正极材料。
The preparation of the positive electrode materials was done in the solution at low temperature.
论文采用了低温液相方法制备正尖晶石型锰的嵌锂氧化物正极材料。
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