The season with the larger rate in the northern is autumn and the same trend as the total precipitationrate.
北部降水变化幅度较大的时候则出现在秋季，与年总降水量变化趋势相同。
2
Influence factors of indium precipitationrate from simulated and actual pressure oxidative leaching liquor with sodium tripolyphosphate were investigated.
以三聚磷酸钠为沉淀剂，研究了模拟含铟加压浸出液和实际含铟加压浸出液中影响铟沉淀率的因素。
3
Spiral classifier with different proportion of solid particles in the liquid precipitationrate of different principle, to wash the mixture of ore, grading.