Resistance similarity between prototype and model must be satisfied in the distorted river model.
变态河工模型中，原型和模型之间要求满足阻力相似。
Through the river model experiment , the tech-economic reasonable river improvement measures are studied.
通过河工模型试验，应研究出技术可行、经济合理的整治方案。
Through the river model experiment , the tech-economic reasonable river improvement measures are studied.
通过河工模型试验，应研究出技术可行、经济合理的整治方案。
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