sea-level datum 中文意思是什麼
sea-level datum
解釋
海平面基準-
Yellow sea datum : the level to which land surveys in mainland china are referenced
黃海基準面:中國大陸測量土地的基礎高度。 -
A rather large spring tide occurred on july 4, 2004. on that occasion, the lowest sea level recorded in victoria harbour was 0. 07 metre below chart datum and a few ferries experienced difficulty while berthing
二四年七月四日亦出現了一次較大的大潮,當日維多利亞港錄得的最低水位為海圖基準面以下0 -
According to the hong kong observatory s tidal records at the tai po kau tide gauge station, the highest sea level was 2. 94 metres above chart datum on that day
根據香港天文臺大埔?測潮站的記錄,當日的最高水位為海圖基準面以上2 . 94米。 -
Based on the spectrum of mean sea level ( msl ) and the relation model between two tidal stations, the mathematical model for hydrographic datum transfer are studied
基於平均海面的頻譜結構和兩驗潮站潮位之間的關系模型,對基準面傳遞的方法原理進行了理論研究。 -
All depths in sea refer to the chart datum which is 1. 38 metres below the mean sea level
所有水深均以海圖水平基準為計算根據,該基準位於平均海平面以下1 -
All levels in land refer to the hong kong principal datum which is 1. 23 metres below the mean sea level
水準所有地面水準均以香港主水平基準為計算根據,該基準位於平均海平面以下1 . 23米。
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