审前调查

例句：

1. 1. Before the trial, the prosecution and defense must conduct a thorough pre-trial investigation to gather evidence.
   审判前，控方和辩方必须进行彻底的审前调查以收集证据。
2. 2.The court ordered the parties to conduct a pre-trial investigation into the cause of the accident.
   法院命令各方就事故原因进行审前调查。
3. 3. During the trial, the judge will review the results of the pre-trial investigation to make a decision.
   审判期间，法官将审查审前调查的结果以作出决定。