他们已经完成了小试和中试。的翻译：They have finished their small scale and pilot. 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

They have completed a small trial and pilot.

They have finished their small scale and pilot.

They already completed have slightly tried with experimental.

正在翻译，请等待...

They have finished their small scale and pilot.