To a certain extent, the lack of independence of the value function of the pre-trial proceedings restricts the pre-trial process model settings.

审前程序独立性价值功能的缺失，在一定程度上制约了民事审前程序模式的设置。

youdao

The trial version is fully functional but shows ads and limits a few Settings.

试用版的功能都不完全，但显示广告，限制了几个设置。

youdao

Optimal power settings can be determined by trial-and-error.

可以进行多次试验而决定最佳功率设置。

youdao

In addition, Amazon Elastic Transcoder provides pre-defined presets for popular devices that remove the trial and error in finding the right settings and output formats for different devices.

ENGADGET: Amazon wants to make your hi-res videos mobile-friendly with Elastic Transcoder

Often, this is a trial and error process, which can be wasteful as compute resources are used each time a new combination of settings is tried.

ENGADGET: Amazon wants to make your hi-res videos mobile-friendly with Elastic Transcoder