The reserve costs of China Petro-Chemical Corporation from 1986 to 2002 are calculated by the different statistical methods of year mean, cumulative mean and running mean.

  • 最后按照单年平均、累计平均和移动平均等不同统计方法,对中石化所属油田的油气储量成本进行了测算和分析。

  • 互联网摘选 2025-01-20 11:45:57

    • 相关例句
    精确
    • 模糊
    • 词首
    • 词尾
    • 词义
    • 例句