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日本水电开发
释义
日本水电开发
Encyclopedia
工学
〔世界上几个国家水电开发概况〕
释
hydropower development in Japan
日本水电开发
日本对水力资源发电的开发和利用。日本国土面积37.78万平方千米,其中山地和丘陵约占3/4,全国平均年降水量约为1400毫米,河流年径流总量约为5470亿立方米。日本水能资源比较丰富,河流坡陡流急,但以中小河流为主,没有大河流。水能资源理论蕴藏量为7176亿千瓦·时,技术可开发量为2846亿千瓦·时。
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differential equation of elliptic type
differential equation of first order
differential equation of higher order
differential equation of hyperbolic type
differential equation of mixed type
differential equation of parabolic type
differential equation of second order
differential equation on a manifold
differential equation on a torus
differential equations of motion of a particle
differential equation with constant coefficients
differential equation with delays
differential equation with randomness
differential equation with small parameter
differential equation with time lags
differential equation with total differential
differential equation with variable coefficients
differential evolution
differential evolution algorithm
differential expansion
differential expansion monitor
differential exponent
differential expression
differential expression of elastic mechanical problem
differential extension
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