This study was carried out in two seasons including July-August, 1973 and April-September, 1974 on a grassland in Huang Chen region of Su Nan County, southern Gansu in North-west China by labelling marmot Marmota himalayana with 32P and determining the dispersal of fleas with autoradiograph technique.

  • 1973年78月和1974年49月在甘肃南部肃南县皇城区草原上,应用~(32)P标记喜马拉雅旱獭,用放射自显影的方法确定跳蚤的散布情况。

  • 互联网摘选 2025-01-19 23:22:20

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