所有的错误耳机已改为单位由不同的制造商，无论是在生产中使用的模型和那些在仓库里。

All the faulty earpieces have been replaced with units produced by a different manufacturer, both those used in production models and those in the warehouses.

youdao

经过误差分析验证，模型的精度、可靠度均满足设计要求，可供生产设计单位使用。

By the verification of error analysis, the accuracy and reliability of the model accord with the designing demands, and can be used by the production and design units.

youdao

从加强成本管理的角度出发，分析了原油单位生产成本特点，建立了原油单位生产成本的阶跃灰色模型。

From the reinforced cost management, it analyzed the characteristic of the crude oil unit cost, and the stepped grey model of the crude oil unit production cost was established.

youdao