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Of or relating to the science of hydrography .

属于或关于水文地理学。

Paperless navigation : electronic charts in hydrography and shipping .

无纸导航∶水文地理学与船运中的电子海图。

The challenges of the chinese hydrography organization facing .

中国海道测绘管理机构所面临的挑战。

Investigation of circulation and hydrography in stratified coastal waters of nova scotia based on observations and numerical model results .

基于观测与数学模型的诺瓦斯科舍沿海分层水体环流及水文研究。

Basing on a lot of data of hydrography and hydrology of changping . This paper assess and forecast the amount and quality of water resource in this area .

本文在收集有关昌平区水文、水文地质等资料的基础上,对该地区水资源的数量和质量进行了评价和预测。