2) Specified by design and characterization; not production tested.的翻译：2) Specified by design and characterization; not production tested. 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

2）指定的设计和特性，未经生产测试。

2) Specified by design and characterization; not production tested.

2) Specified characterization; not by design and production tested.

2) Specified by design and characterization; not production tested.