Shuangcheng, the largest cattle raising city in Heilongjiang province, produces 1, 200 tons of fresh milk a day.
双城，黑龙江省最大的畜牧业城市，每天生产1200吨鲜牛奶。
This paper inserts grey system, makes use of finite time series, follows GM (1, 1) building method, builds the long term prediction model of total waste -water in Heilongjiang Province.
本文引入灰色系统理论，利用有限的时间序列，按照GM(1,1)建模方法，建立起黑龙江省污水总量长期预测模型。
The soil water retention properties of the absorbent of DQ-1 were tested in the sandy soil of west Heilongjiang Province under the conditions of the laboratory.
在试验室稳定蒸发条件下测试了DQ - 1型保墒剂在黑龙江省西部风沙土中的保墒性能。
The soil water retention properties of the absorbent of DQ-1 were tested in the sandy soil of west Heilongjiang Province under the conditions of the laboratory.
在试验室稳定蒸发条件下测试了DQ - 1型保墒剂在黑龙江省西部风沙土中的保墒性能。
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