有一天

This equalities have no obvious dependence on luminosity also.

无论在全样品、光度分区还是在子样品中，我们发现二者具有相等的平均值，而且无明显的光度的依赖性。

Have good working knowledge and experience with cost accounting, variance reporting, and budgeting. Engineering analysis and statistical software experience is desirable

在成本会计、各种报告及预算方面具备良好的知识和经验，最好具有工程分析和统计软件的经验