现代洲际弹道导弹的发射方式 车载型 陆基型(Land-Based type) 著名的洲际弹道导弹[编辑本段]概述 弹道导弹是一种无人驾驶的无翼飞行器。它沿一定的空间轨迹（即.
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Based on the analysis of the reasons for land desertification in eastern surface hills of Erhai Lake, the paper discusses the type, distribution and area of the desertification land.
对大理市洱海东部面山区域土地石漠化的原因进行分析，论述了石漠化土地的类型、分布及其面积。
Based on the results of the survey of the current situation of ecological environment in Anhui Province, cultivated land is the main type of land use.
根据安徽省生态环境现状调查的结果，耕地是安徽省主要的土地利用类型。
Based on the happening rule and types of weeds in the land of the cold-season-type lawn. The corresponding herbicide were selected and researched, then put into using.
根据冷季型草坪杂草发生规律及类型，选择并研制了相应的除草剂进行药剂防除。
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