overall statistical survey

• 全面调查

overall statistical survey的用法和样例：

例句

1. On the basis of overall investigation, the plants and birds resources at Yellow River Wetland in Sanmenxia were analyzed and evaluated.
   摘要在全面调查的基础上，对三门峡黄河湿地植物和鸟类资源进行了分析和评价。