本文调查了黑河市各县（市）区9个行业，32家厂矿企业的生产性噪声。
This article investigate production noise in 9 lines of business in the city and town of HeiHe, 32 factories, there are 441 work sports about production noise.
利用布设在黑河流域中游的张掖绿洲区的一套自动气象观测系统在2003- 2004年的资料，分析了一个完整年度内春小麦和夏玉米间作农田生态系统的辐射收支及其变化特征。
Based on the experiments conducting in an intercropping field in Zhangye Oasis in the middle reach of Heihe River basin in 2003-2004, the characteristics of radiation budget are analyzed.
黑河山区流域径流系数远比干旱内流区的平均值大，但要小于全国的平均径流系数。
In the mountainous watershed of the Heihe River, the runoff coefficient is much larger than that of the whole arid area, but it is still less than the average value over the whole country.
黑河山区流域径流系数远比干旱内流区的平均值大，但要小于全国的平均径流系数。
In the mountainous watershed of the Heihe River, the runoff coefficient is much larger than that of the whole arid area, but it is still less than the average value over the whole country.
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