obtain evidence

基本解释

The most crucial is to obtain evidence here .
这里最关键的是取证。
However, their cases are more complicated and take longer time to investigate, obtain evidence and prepare.
但是，那些案件都比较复杂，调查取证和研究案卷的时间会比较长。
blog.sina.com.cn
In China, how to establish the exclusionary rule for illegally obtain evidence is a focus problem in theory and practice.
在明确非法证据内涵的基础上借鉴各国相关制度规定，论述在我国建立非法证据排除规则的现实意义并提出初步构想。

The Pennsylvania ruling came in one of many actions Chevron has filed in federal courts around the country to obtain evidence from U.S. entities presumably beyond the reach of the Ecuadorean courts.
FORBES: Note To Litigators: Don't Film Your Strategy Sessions
But it is often impossible to obtain enough admissible evidence to obtain a conviction, the government argues.
ECONOMIST: Liberty v security
Unless the authorities in Switzerland are willing to change the way they respond to such requests, the Italians may be unable to obtain admissible evidence from, for instance, Swiss banks.
ECONOMIST: Italy and the law

取证
The best stage for Lawyers obtain Evidence is in the investigation stage, so it’s necessary to guarantee this system. This right is the foundation of defense duty.
而侦查阶段律师调查取证权是律师调查取证权在侦查阶段的具体实施,是辩护权的基础。
计算机科学技术
取证
With the development of computer networks, computer crime phenomenon of more and more serious trend, in order to obtain evidence of a crime, computer forensics problem in recent yearshas also become a hot topic in the computer field.
随着计算机网络的发展，计算机犯罪现象呈现越来越严重化的趋势，为了获取犯罪证据，计算机取证问题近年也成为计算机领域的热门话题。