调查分析

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

工程师对桥的倒塌做一次彻底的调查分析。

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年湛江港邻近冬2季渔业源调查的料，分析和究了该游泳生物的种类组成源密度的分布。