The police have full investigatory powers.

警察拥有调查全权。

At no time did I make an attempt to impede any investigatory effort.

我从未试图妨碍任何调查的努力。

It is an investigatory body only.

这只是调查的主体。

The present study mainly adopts the literature method, comparative method and questionnaire investigatory method.

本文主要采用文献法、比较法和问卷调查法。

Investigatory supervision system in China has distinct difference in supervisory body, source and scope of supervision power in comparison with occidental system.

我国的侦查监督制度与西方国家的侦查监督制度相比较，在侦查监督主体、侦查监督的权源、侦查监督范围等有明显的不同。