This paper is to study the activity of saccharase and the relation between the activity and the soil organic matter and all the nitrogen.

  • 本试验是探索转化酶的活性及其与土壤有机质和全氮的关系。

  • 互联网摘选 2025-01-20 18:59:32

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