navigation head 中文意思是什麼
navigation head
解釋
航運終點- navigation : n. 1. 航行；導航；領航；航海[航空]術。2. 〈集合詞〉船。3. 〈古語〉航路；海上交通。adj. -al
- head : n 1 頭，頭部，首。2 頭腦，才能；智力，想像力，理解力。3 前部，上部；頂端，尖突部；船長；（書頁等...
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The congarees, a frontier fort on the west bank of the congaree river, was the head of navigation on the santee river system
位於congaree河流西岸的congarees是一個貿易邊境站，同時也是santee流域的領航點。 -
The content of the thesis include many scientific fields, such as nautical mathematics, apparatus, ship navigate, communication, artificial intelligence, computer graphic, graphic management and so on. the function of route planning and advanced navigation in the system is based on electronic nautical chart. it bring forward the grid model in route planning, during the course of route planning, it provide ways to settle all kinds of instance ; it figures out the best head bearing of the ship with the real time transfer data from navigation apparatus to the system, accomplish the advanced navigation function in ecdis
該系統是在電子海圖基礎平臺上來完成航線設計和最優航法功能的，提出了在電子海圖中利用網格模型來進行航線設計的方法，在求取最優航線的過程中，全面綜合地考慮了各種可能出現的情況，並逐一解決；最優航行方法中採用實時獲取船舶導航儀器傳入到系統中的數據，並根據這些數據進行計算，給出船舶當前最佳船艏向，實現基於電子海圖顯示與信息系統的最優航法。 -
At the same time, figures involving attribute data about flow field at inlet and outlet downstream or wave motion of water at the downflow head of lock chamber of siyang navigation lock were displayed through gis application system which we developed. according to data of baoying navigation lock acquired by mathematics model, figures about velocities which have the same value, velocities toward cross direction which have the same value and flow field at inlet and outlet upstream were formed. achievement data, space information and attribute information were in connection with figure so as to search for and analysis the information, which is satisfying
同時完成了江蘇泗陽船閘下游引航道非恆定流及其改善措施的計算分析研究和寶應船閘上游引航道口門區水流條件計算分析研究，運用gis技術和所設計的gis應用系統對泗陽船閘下游引航道內流場以及下閘首水位波動情況進行信息顯示，根據對寶應船閘的計算結果生成上游引航道口門區等流速圖、橫向流速等值線圖和流場圖，使計算分析成果數據、空間信息、屬性信息與圖形顯示有機結合，便於查詢分析，效果令人滿意。
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