求翻译：6.13.2 開發單位定義sub-parts的更換頻率,將其寫入<< 業成科技治工具 sub-parts更換頻率表>>並經由開發單位與工程單位主管簽核後作為sub-parts更換的依據是什么意思？

6.13.2 development units defined sub-parts of the replacement frequency, and writes <<Industry as a technological tooling sub-parts replacement frequency tables>> and by the development unit and engineering unit in charge of sign-post as the sub-parts replacement basis

6.13 2 development units definition sub-parts replacement frequency, writes << industry as a technological tools of sub-parts replacement frequency table >> and, through development units and engineering units approving as a sub-parts replacement on the basis of

6.13.2 development units define sub-parts 更 to trade the frequency 率, reads in it > and signs after the development unit and the engineer's unit managers the nucleus the basis which 更 trades as sub-parts

6.13.2 Development Unit defines the sub-parts of even more frequency Lut, writes it << into sub-parts ever frequency treatment tool Lut table >> of science and technology and through the development and engineering unit Director checked upon as the basis for sub-parts of ever changing

6.13.2 开发单位定义sub-parts的更换频率,将其写入<< 业成科技治工具 sub-parts更换频率表>>并经由开发单位与工程单位主管签核后作为sub-parts更换的依据