医生正在进行临床试验。

The doctor is conducting a clinical trial.

这项新药正在进行临床试验。

The new drug is undergoing a clinical trial.

这项临床试验包括多个阶段。

This clinical trial includes multiple phases.

公司正在进行新软件的试验。

The company is running a trial of the new software.

实验者在开始试验前调整了设备。

The experimenter adjusted the equipment before starting the trial.