航空象片 的英文怎麼說
中文拼音 [hángkōngxiàngpiān]
航空象片
英文
aerophoto-
The use and evaluation of air photographs is a comparatively recent development in earth sciences.
航空象片的使用和解譯是地球科學中比較近代的新生事物。Air photos are widely used in the search for petroleum.
航空象片廣泛地應用在石油普查方面。Use of air photographs in engineering shows an increasing tendency, similar to that in petroleum exploration.
在工程勘測中使用航空象片和石油普查中一樣日趨增多。Aerial photographs add another problem due to the distortion of the image as the point moves form the centre of the photograph.
航空照片還有另一個問題，當視點從照片中心向外移時會產生象差。Based on the analysis of natural and geographic background of jiaozhou land type, under the principle of comprehensiveness, dominant factor, produce and practice, thd author made field investigathion and the defined thd line of land type with reference of 1 : 15000 aviation chart, geologic map, topographic map, soil map, and climate planning map of jiaozhou. the system of land classification included land unit ( genus ) - land unit ( family ), furthermore, according to thd above classification system, the author drew thd 1 : 50000 land type map. finally, this thesis elaborated thd main characters, utilizing situation and of grade - 2 land type land unit genus
膠州市土地類型的劃分，是在分析膠州市土地類型區域自然地理背景，剖析各土地分異因素，按照綜合性原則、主導性原則和實踐性原則，應用1 ： 1 . 5萬航空象片，進行野外實地考察，並參考該市的地質圖、地貌圖、土壤圖、土地詳查圖和氣候區劃圖，在綜合分析的基礎上，確定土地類型界限，以限區（屬） ?限區（科）構成土地分類系統，並據此編制膠州市1 ： 5萬土地類型圖。Nasa ' s science web site mentions reports of recent fireball sightings in the united states, canada, the netherlands, north ireland and japan
美國航空航天局提到最近發生在美國加拿大荷蘭北愛爾蘭以及日本等地的火球現象，還刊登出拍攝到的部分照片。Nasa ' s science web site http : science. nasa. gov mentions reports of recent fireball sightings in the united states, canada, the netherlands, north ireland and japan
美國航空航天局提到最近發生在美國加拿大荷蘭北愛爾蘭以及日本等地的火球現象，還刊登出拍攝到的部分照片。At first, the model about information requirement in manufacturability evaluation is set up. based on the feature technology and object - oriented mechanism, the manufacture - oriented part model with three levels ( namely part, feature and geometry ) and the resource model is build ; secondly, the evaluation guidelines on the basis of evaluation strategy of fining with levels is constituted ; thirdly, an evaluation method according the evaluation guidelines is put forward, which is the rule - based and fuzzy evaluation - based method associated with resources. fourthly, a manufacturing - oriented evaluation system for machining blade part is built
以特徵技術為基礎，面向對象的編程機制為手段，建立了面向製造的三層次（即零件層、特徵層、幾何層）零件模型，同時進行了面向製造的資源建模；第二，採用分層逐步細化的評價策略，建立可製造性評價指標；第三，以評價指標為基礎，採用基於約束規則和模糊綜合評判的加工可行性評價方法；第四，以ug為開發平臺， vc6 . 0為編程工具，航空發動機葉片為應用對象，初步構建了面向製造的葉片類零件的可製造性評價系統。In this thesis, the key technologies of turbine blade modeling cad system are studied based on the deep analysis of the turbine blade modeling. the following are listed works done on this topic : a joining method is given to create the smooth section profile curves of turbine blade
本文以航空發動機渦輪葉片為研究對象，重點研究了渦輪葉片造型cad系統的關鍵技術，完成了如下工作：本文研究了渦輪葉片的外型造型方法。分享友人