Factors affecting the processes of soil erosion and sediment yield have more asymmetry and variability and enhance the complexity of modeling sediment yield in different scales.
影响侵蚀产沙过程的因素在时空上具有很大的不均匀性和变异性，增加了不同尺度间侵蚀产沙模拟的复杂性。
There are many factors affecting grain yield of maize.
影响玉米子粒产量的因素很多。
The technological conditions of the production of edible basic magnesium carbonate from industrial magnesium sulfate and the main factors affecting the yield of product are studied.
研究了以工业级硫酸镁为原料生产食用级碱式碳酸镁的工艺条件及影响产品收率的主要因素。
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