What are the main ski yards in Hei Long jiang at present?

目前黑龙江省主要滑雪场有哪些？

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What are the main lakes in Hei Long jiang?

简介黑龙江省主要的湖泊有哪些？

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The paper studies the characteristics of traffic safety of high-grade highway in cold areas, according to traffic accident data of high-grade highway in Hei Long Jiang province.

研究了以黑龙江省为代表的寒区高等级公路交通安全特性。

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There is large area of Salina and waste land in Hei-Long-Gang valley, Hebei province.

在河北省黑龙港流域有大面积的盐碱滩地和撂荒地。

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There is large area of Salina and waste land in Hei-Long-Gang valley, Hebei province.

在河北省黑龙港流域有大面积的盐碱滩地和撂荒地。

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