world datum 中文意思是什麼

world datum 解釋
世界基準
  • world : n 1 世界；地球。2 萬物；天地，宇宙；天體。3 全世界的人，人類。4 世間，世上，現世。5 世事，人事。6...
  • datum : n. （pl. data ） 〈拉丁語〉1. 〈常 pl. 〉 數據，資料。2. 論據，作為論據的事實。3. 【數學】已知數。4. 【測】基點，基線，基面。
  1. Geoid is the reference datum of spatial data collection, so how to ascertain the geoid, that of all over the world, that of one nation, or that of one zone, is always an nuclear task of surveying science but there is not the quick and automatic solution. the density of the required data of astronomical measurement, gravimeter survey and geodesic survey is not satisfied

    大地水準面是空間測量數據外業採集所依據的參考基準面。確定全球、一個國家、一個地區的大地水準面的形狀始終是測繪科學的一項核心內容，一直未能有快速、簡潔、自動的解決方法。需要的天文測量、重力測量、大地測量等數據的密度無法滿足其需要。
  2. Due to the development of gps, which is representative of spatial geodetic measure technology, and the satellite altimeter technology, it is possible to unify the local height datums in different countries ( or regions ) to the world height datum ( whd ). and the unification of height datums has been made in some countries

    隨著以gps為代表的空間大地測量技術以及衛星測高技術的飛速發展，使得將各個國家或地區的局部高程基準統一為全球高程基準成為可能，並且在部分國家已經實現，因此將我國高程系統納入全球高程系統不僅具有理論意義，而且具有重要的現實意義。
  3. This paper ' s main task include : in the aspect of the network communication and database application, to satisfy the demands of the works, the software of sustaining dde is worked out, which realizes the dde with the configure software, so the problem that the instruments " protocols do not match to the configure software ' s is solved ; we work out the software of collecting datum information from the instruments on the rs - 485 bus ; the software of transferring information by the telephony network is worked out, and the software of alarm by beep - pager is work out too ; the software of database report with the performance of supporting com, by which the engineers can visit the field database everywhere in the world ; the software that the two servers are redundant mutually is developed ; some ladder program of plc is developed and the megabasic software is developed which collects datum information from the instruments on the rs - 485 bus

    本論文研究工作主要包括： 1在網路通訊和數據庫方面，開發了支持dde通訊方式的軟體組件，實現和組態軟體cimplicity的dde通訊，基於rs _ 485總線的採集智能儀表數據的軟體組件，解決了設計院所提供的智能儀表和cimplicity在通訊協議方面不一致的問題；公用電話網數據傳送的軟體組件，和尋呼機報警的軟體組件；基於access數據庫列印報表的軟體組件和與internetexplore軟體兼容的數據報表，使用戶可以在任何地方，通過internet訪問現場數據庫的內容；上位機雙機冗餘的軟體組件；開發了plc控制器的部分梯形圖，利用plc的pcm模塊採集rs - 485儀表數據的megabasic軟體。 2
  4. World geodetic system 84 datum

    年世界大地測量系統基準
  5. The key point caused the problem was that the company had not set down a systematic development strategy. the study was carried out by use of following methods : ( 1 ) a qualitative analysis method ; ( 2 ) the analysis method based on the information integrated one hand datum with second - hand datum ; ( 3 ) the case study method ; ( 4 ) questionnaires and ( 5 ) swot analysis method. this paper described the trends and its characteristics of seed industry development in china an in the world

    鑒于種子行業總體的市場化程度很低，還沒有形成標準的、量化的指標體系；與此同時，由於一些客觀條件的制約，沒有充足的時間做足夠樣本量的調查，因此本文採用的研究方法主要是（ 1 ）定性分析方法； （ 2 ）一手資料與二手資料相結合的分析方法； （ 3 ）案例分析方法； （ 4 ）問卷調查統計分析； （ 5 ） swot矩陣分析法。
  6. For the study capability of cognitive map, objective datum is emphasized and the degree of unequilibrium is proposed to measure the difference between the cognitive map and the real world, so the expert knowledge and the objective datum can be unified in cognitive map

    對于認知圖理論的研究：本文在對認知圖的國內外研究現狀作了深入分析的基礎上，首先對認知圖的穩定性進行嘗試性的討論。對于認知圖的學習，提出不平衡度的概念來度量認知圖與真實世界存在的差異。
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