datums 中文意思是什麼
datums
解釋
基準體-
Aerospace ; identification plates for datums on workshop facilities
航空航天.車間設施上的數據標識牌 -
This dissertation presents the theory and method on the establishment of height datums. and some problems on the geocenter motion are also studied
本文系統地研究了建立高程基準的理論與方法、地心運動規律及其對高程基準的影響等有關問題。 -
Article 4 the surveying and mapping datums and standards prescribed by the state shall be employed in surveying and mapping
第四條測繪應當使用國家規定的測繪基準和測繪標準。 -
Article 7 the state shall establish and adopt the nationwide unified geodetic datums, vertical datums, depth datums and gravimetric datums, and the data thereof shall be examined and verified by the competent department of surveying and mapping administration under the state council and, after consultation with other relevant departments under the state council and the competent department of surveying and mapping in the armed forces, shall be submitted to the state council for approval and publication
第七條國家設立和採用全國統一的大地基準、高程基準、深度基準、重力基準，其數據由國務院測繪行政主管部門審核，並同國務院其他有關部門、軍隊測繪主管部門會商后，報國務院批準發布。 -
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。 -
As for the transformation between the local height datums, three methods are summarized, which are the direct method, the indirect method and the coordinate transformation method. their respective application fields are also analysed
針對局部高程基準之間轉換的不同情況，總結了三種轉換方法：直接法、間接法和坐標轉換法，並分析了各自的適用范圍。 -
Use a force press part on datums surface is necessary
4產品在面定位處須用外力夾緊。 -
In fact, the transformation and unification of the local height datums have relations to the mean sea level variation at the shore where the tide gauges are located
局部高程基準的轉換與統一，不得不涉及沿海各主要驗潮站平均海平面的變化。 -
Before the transformation and unification of height datums is made, it is necessary that different surfaces used for the definations of height datums should be introduced, and their relationships are also needed studying
在進行高程基準的轉換與統一之前，介紹了高程基準的各種起算面及其相互關系。 -
First, the defmation and status of height datums is introduced and some problems on the local height datums established by the mean sea level, which is defined by the tide gauge data, are discussed. then the research progresses in recent years are analysed
首先介紹了高程基準的定義與現狀，指出了用驗潮站長期平均海平面建立局部高程基準所存在的問題；分析了當今國內外高程基準的研究現狀；進一步明確了我國高程基準現代化的必要性。 -
Geometrical tolerancing datums and datum system
形狀和位置公差基準和基準體系 -
Seen from the planning angle, urban design of the dissertation adopts a systematic method on the several significant aspects of walking environment design for the further investigating and researching on the basis of a lot of domestic and abroad datums, in addition to investigating many cities such as shanghai, nanjing, wuhan, suzhou, putian, weifang and so forth, to discuss the key points and methods of walking environment design according with the present condition of our country
本論文從城市設計角度切入，運用系統方法，通過對上海、南京、武漢、蘇州、莆田等大中小城市的調研及大量國內外資料為基礎對城市步行環境設計的幾個重要方面進行研究，從而探討符合我國國情的城市步行環境設計要地點和方法。 -
Prosprosing a tansformer winding model to judge whether the transformer has come into bing interturn short circuit and the degree of interturn short circuit, and providing an availability for condition monitoring of transformer that improves the accuracy of condition monitoring and fault diagnosis. 3. the accuracy and invalidity of diagnosis of fault positions and fault characters of power transformer would be improved greately if reasoning and analyzing the operation records and oringnal datums of transformer
建立變壓器繞組狀態監測和故障診斷的模型，通過對繞組在線監測判斷繞組是否發生了匝簡短路、具體哪一相發生匝間短路以及匝間短路的嚴重程度，為變壓器狀態監測提供了有效的狀態監測量，實現了變壓器故障的局部定位，有效地提高了電力變壓器故障診斷的準確性。 -
Geodetic datums in hong kong
香港大地測量系統
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