mountainous area rivers是什么意思 mountainous area rivers怎么读
mountainous area rivers的相关资料
mountainous area rivers的用法和样例
- And the Hyperbolic tangent function curve is used to simulate the ediments wide grading curve of the mountainous river.
针对山区河流泥沙级配宽的特点，利用双曲正切函数曲线来模拟山区河流泥沙的宽级配曲线。
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