It was introduced that how to use "3S" to making decision on Forest Site Condition and how to return farmland to forest according to the ecology principle.
从林学专业和生态学的角度出发，在充分考虑各种自然、社会因素的基础上，运用“3S”技术确定森林立地条件和进行生态还林(草)决策。
参考来源 - “3S”技术在川西干旱河谷退耕还林（草）监测与生态还林决策中的应用——以甘孜州九龙县为例The influence of the site condition on the seismic response is a fundamental subject in engineering seismology and has been studied for a long historical period.
场地条件对地震动的影响研究是一个研究历史较长而又十分重要的地震工程研究课题。
参考来源 - 场地土层地震反应特征研究The principle and design method of isolation bridges are present; the influence of site condition on seismic ground motion, the classification and characteristic of site condition, the input of seismic wave and soil-structure interaction are analyzed.
分析了不同场地土、不同地震波的输入以及土与结构的相互作用对地震动的影响；研究了自由场地和减震桥梁的地震反应。
参考来源 - 场地条件对减震桥梁动力特性的影响分析·2,447,543篇论文数据，部分数据来源于NoteExpress
Finally the paper evaluates the main problem of seismic engineering geology and site condition.
最后，对场地条件及地震工程地质问题做出了评价。
Among all factors of the seawall site condition, the sea wind and the sea fog were very important.
海堤立地条件各个因素中海风和海雾是非常重要的因子。
According to the site condition and soil characteristics, vacuum preloading was adopted for soft ground reinforcement.
根据场地条件和土层特性，其软基采用真空预压法加固处理。
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