The concentration of S-P in bottom layer showed higher but was no variation along vertical direction.

  • 水体可溶性磷浓度以底层较高,但无显著的层次变化.

  • 互联网摘选 2025-02-27 22:26:59

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