调查分析

The engineer made a complete diagnosis of the bridge's collapse .

工程师对桥的倒塌做底的调查分析。

Abstract： Based on twice survey data in the adjacent waters of Zhanjiang port of autumn and winter in 2005, the species composition and stock density of necton were analyzed.

摘 要： 根据2005年湛江港邻近水域秋冬2季渔业资源调查的资料，分析和究了该水域游泳生物的种类组成及其资源密度的分布。