Spatial mutual effects represent the region space is at or near the club of high level or low level.
空间相互作用代表了区域是处于或者邻近于高水平集聚还是低水平集聚。
Mutual effects of calcium magnesium phosphate and humic acid enhance residual lead contents in soil.
钙镁磷肥、胡敏酸互作可增加土壤残渣态铅的含量。
Mutual effects of lime and humic acid lower weak acid dissolvable lead contents and enhance residual lead contents in soil.
石灰、胡敏酸互作可减少土壤弱酸溶态铅的含量，可提高土壤残渣态铅的含量。
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