work on construction sites 在地盘工作
Catering contractors for construction sites 团体供餐送餐承包商
construction sites division 建筑场地区划
Suburban construction sites 城郊建设用地
pools at construction sites 工地积水池
Safety Nets for Construction Sites 建筑场所用安全网
The results showed that farmland have a substantial reduction, woodland reduce speed slow, urban construction sites and rural construction sites increased substantially in Beijing. The fastest increase is rural construction sites.
结果表明,北京市耕地大量减少,林地减少速度变缓,城市建设用地和农村建设用地大幅度增加,其中农村建设用地增加速度最快。
参考来源 - 北京市土地利用遥感信息提取及动态变化研究Methods Using the approach of cluster random sampling and based on the principle of volunteering, the study selects 360 workers from three construction sites as the subject.
方法采取整群随机抽样的方法,并结合自愿的原则,在武汉市抽取了三个建筑工地相对固定的360名建筑工人作为本研究的干预对象。
参考来源 - 武汉市建筑工人艾滋病健康教育干预评价Mainly due to construction sites in the region northwest of small scale development slow.
主要由于该地区西北部建设用地规模小、发展较慢。
参考来源 - 基于遥感和GIS的京津冀都市圈城乡建设用地变化分析·2,447,543篇论文数据，部分数据来源于NoteExpress
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