investigation

The investigation continued for nearly three years..调查持续了近三年。

a criminal investigation.刑事调查

A private detective was hired to conduct the investigation..雇了一名私人侦探进行调查。

on-the-spot investigation,实地考察

field investigation,现场调查；现场试验

experimental investigation,试验研究

under investigation,在调查研究中

investigation report,调查报告书

sampling investigation,抽样调查

site investigation,现场调查；实地勘测

preliminary investigation,初步调查

general investigation,普查

investigation team,调查组

credit investigation,资信调查，信用调查

federal bureau of investigation,n. （美）联邦调查局

epidemiological investigation,[医]流行病学调查

investigation depth,探测深度

qualitative investigation,定性分析；质量集中分析

investigation stage,侦查阶段；勘察阶段

soil investigation,土质甸；土壤甸；土壤调查

judicial investigation,司法调查；法院调查

ground investigation,土地勘测

investigation form,调查格式