20. The Canadian Hydrographic Service provides charts for vessels of all types, including cruise ships, commercial ships, military and coast guard vessels.
加拿大水文局为所有类型的船只提供海图,包括旅游船、商业船、军事及海岸警卫队的船只。
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21. It includes cadastral surveying, hydrographic surveying, and ocean mapping, and it plays an important role in land administration and land use management.
它包括地籍测量,水道测量,海洋测绘,并在土地管理和土地利用管理中发挥了重要作用。
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22. The accuracy of depth reduction has been improving with the continuous accumulation of hydrographic data and widely application of sound velocity profiler.
海域水文资料的不断丰富和声速仪的广泛使用,推动了水深声速改正精度的提高。
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23. Recently, the Yellow River Hydrographic Survey Mapping Agency to convene in 2009 the Yellow River section of the unity of tests Xunhou mobilization meeting.
近日,黄河水文勘察测绘局召开2009年汛后黄河河道断面统一性测验动员大会。
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24. Introduced and analysed the hydrographic condition in Anyang, and gave some measures and Suggestions on hydrographic forecast, hydrography and water resources.
在分析安阳市的水文基础上,对该市水情预报、水文测验和水资源利用提出建议。
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25. The influence factors of collapse-slide are regional tectonic, stratum lithologic, geomorphic, meteorological and hydrographic characteristics of Changbai Mountain.
通过分析发现,影响该区崩滑形成的因素有区域地质构造、地层岩性、地形地貌及气象水文条件。
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26. This model can not only solve computational problem of hydrographic net, but also can solve computational problem of long watercourse and complex flow in natural river.
该模型既可解决复杂的河网水流计算问题,亦适用于长河段、长时段的较复杂的天然河道水流计算问题。
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27. The features of distribution and transformation of the East China Sea surface water mass are analyzed by using NOAA satellite images and simultaneous hydrographic data.
本文利用NOAA卫星图像处理结果与同期水文观测资料,对东海表层水团的分布和转移特征作了初步分析。
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28. Hydrographic and bathymetric data have been applied to review the dynamic regime and morphological evolution in recent years in the sandbar area of the Modaomen estuary.
应用近几年的水文和地形实测资料,研究了磨刀门拦门沙区域近期的动力和地貌演变特点。
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29. In this paper, the latest composition of Dong - shen entire hydrographic basin automatic hydrology measuring system is introduced and its application system is also included.
本文主要介绍了东深工程全流域水文自动测报系统的最新组成情况及应用系统状况。
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30. In this paper, the latest composition of Dong - shen entire hydrographic basin automatic hydrology measuring system is introduced and its application system is also included.