hydrograph
【词性】：n． 【释义】： 水位图，水文曲线 ‖hydrographer n．航路测量员hydrographic adj．水道测量的hydrographic chart海图hydrographic condition水道状况hydrographic cruise海测航行hydrographic data水文资料hydrographic intelligence水道情报hydrographic map水文地图hydrographic reconnaissance水道侦察hydrographic survey海道测量hydrography［hai′drgrfi］n．水文学，水文地理学 |