资料来源 : Webster's Revised Unabridged Dictionary (1913)

Hydrographic \Hy`dro*graph"ic\, Hydrographical
\Hy`dro*graph"ic*al\, a.
   Of or relating to hydrography.

资料来源 : WordNet®

hydrographical
     adj : of or relating to the science of hydrography [syn: {hydrographic}]