首先概括了安塞县土地资源的特征及利用现状。
The paper generalized the character of the resources of the county land and make use of the present condition.
1944年九月五日在陕北安塞县山中烧炭，因炭窑崩塌而牺牲。
On September 5, 1944, when making charcoal in Ansai County, northern Shaanxi, he was killed by the sudden collapse of a kiln.
1944年九月五日在陕北安塞县山中烧炭，因炭窑崩塌而牺牲。
On September 5, 1944, when making charcoal in the mountains of Ansai County, northern Shensi, he was killed by the sudden collapse of a kiln.
方法随机抽样确定安塞县0~39岁人群269名，采集血清标本，检测脊灰抗体。
Methods We collected randomly 269 serum samples among 0-39 years healthy population and detected the polio neutralizing antibody in Ansai County.
用注水（双环）法和人工降雨法对陕西省淳化县泥河沟流域和安塞县纸坊沟流域坡耕地土壤水分入渗性能进行了研究。
The infiltration properties of slope farmland are studied by means of the water storage method and the simulated rainfall method respectively.
用注水（双环）法和人工降雨法对陕西省淳化县泥河沟流域和安塞县纸坊沟流域坡耕地土壤水分入渗性能进行了研究。
The infiltration properties of slope farmland are studied by means of the water storage method and the simulated rainfall method respectively.
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