Research on forecasting eutrophication is always hot issue and nodus, and most of them were focused on the eutrophication in lake, while few were focused on the eutrophication in river.
富营养化预测研究一直是国内外的研究热点和难点，大多数富营养化研究集中在湖泊上，对于河流富营养化的研究相对较少。
As a core technology of breakout prediction system, mathematical model is hot spot and nodus in development and application of the technology.
作为漏钢预报核心技术的模型是目前技术开发和运用的热点和难点。
As a core technology of breakout prediction system, mathematical model is hot spot and nodus in development and application of the technology.
作为漏钢预报核心技术的模型是目前技术开发和运用的热点和难点。
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