非空集合 的英文怎麼說

中文拼音 [fēikōng]
非空集合 英文
nonempty set
  • : Ⅰ名詞1 (錯誤) mistake; wrong; errors 2 (指非洲) short for africa 3 (姓氏) a surname Ⅱ動詞1 ...
  • : 空Ⅰ形容詞(不包含什麼; 裏面沒有東西或沒有內容; 不切實際的) empty; hollow; void Ⅱ名詞1 (天空) s...
  • : gatherassemblecollect
  • : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
  • 集合 : 1 (聚集) gather; assemble; muster; call together 2 [數學] [自動化] [計算機] assemblage; set; co...
  1. In this section, applying the method, from abstract to specific and from history to present, it analyzes the operation mechanism of urbanization economy affected by market mechanism ; puts forward four theories of urbanization economy from economic perspective, including agriculture surplus and comparison advantage ; non - agricultural industry ; agglomeration economy and spillover effect, on this basis of the theories, it, on one hand, analyzes two kinds of internal mechanism in the chronologic operation of urbanization economies : increasing mechanism of urbanization economies in urban output industry ; and changing mechanism from specialization to integration, which are the representations of the evolution of " mart " development ; on the other hand, it analyzes two internal mechanism of dimensional operation of urbanization economy : internal spatial enlargement mechanism of urbanization economies from monocentric city to multi - center city, and external spatial enhancement mechanism which represents city - regionalization and city - chain connection, the later two mechanism represent the evolution of " polis " development

    這一部分,按照由抽象到具體和由歷史到現代的研究方法,分析了市場機製作用下的城市化經濟運行機理,從經濟學角度提出了農業剩餘與比較優勢、農產業、聚經濟、外溢效應四大城市化經濟定理;在此基礎上,一方面分析了城市化經濟運行沿時間增長的兩個內在內容提要機制:城市輸出產業的城市化經濟增長機制和從專業化到綜化的城市性質變遷機制,它們主要表現為「市」發展的延續;另一方面分析了城市化經濟運行沿間增長的兩個內在機制:從單中心到多中心的城市化經濟運行的內部間擴展機理和表現為城市區域化、城市連綿體的城市化經濟運行的外部間擴展機理,它們主要表現為「城」發展的延續。
  2. Aspheric optical compound machine tool ( aocmt ) which integrates grinding, lapping and polishing is developed. the influences of motion errors on grinding accuracy are analyzed. according to homogeneous coordinate transition model, the postposition processing algorithm in multi - axis numerical control machining is deduced

    3 、研製了銑磨成型、研磨、拋光於一體的光學球面復加工機床( aocmt ) ,分析了各種運動誤差對銑磨精度的影響;根據間齊次坐標的變換模型,推導出多軸數控加工的後置處理演算法;通過五軸數控聯動, aocmt機床能夠以法向方式加工出任意復雜的光學表面,銑磨精度穩定在8 m之內。
  3. Through the approach of investigative questionnaire and ability examination, considering both teachers " teaching practice in senior high school and students " need in analyzing and resolving problem, taking the method of fixing the quality and quantity, we make a demonstration research. at last, we draw a conclusion that the 19 manifestations of chemistry ability can be reduced to three levels : the basal level, called repeating thinking, includes distinguishing and judging the chemical fact and relations of quantity in chemical reaction, comparing and summarizing the chemistry fundamental knowledge ; innovative thinking level includes illogical thinking and logical thinking. illogical thinking mainly contains intuition, association and space imagination of micro - particle

    通過調查問卷、能力測試等途徑,結教師在中學化學的教學實踐和學生在分析、解決問題的實際需要,採用定性與定量結的方法,進行實證研究,得出結論:化學學科能力的19種表現形式歸納為3個層次:最基礎的再造性思維能力層次包括對化學事實和化學反應中量的關系的識別和判斷、對化學基礎知識的比較概括;以培養創新能力為核心的創造性思維層次包括化學直覺思維、聯想、對微觀粒子的間想象為主的邏輯思維和靈活運用已學的化學知識通過分析、綜地解決問題為主的邏輯思維;化學實驗能力層次是化學學科能力的最高層次,它以思維能力為基礎,中體現了化學教學的基本特徵,實驗能力層次包括:選用實驗方法和設計實驗方案,對實驗的評價,研究和處理實驗事實、資料、數據,發現規律,表達實驗及其結果,最終解決問題的能力和發散思維。
  4. Incremental maintenance of quotient cube for sum and median. technical report 02 - 1, school of computing, nus, dec. 2, 2002, pp. 1 - 18. 18 wang w, feng j l, lu h j, yu j x. condensed cube : an effective approach to reducing data cube size

    針對分佈型聚函數如median ,提出了一種有效的滑動窗口技術,該技術和addset存儲結構的結極大地減少了維護不可自維護型函數時所需要的存儲間和運行時間。
  5. Three phase dry type power transformer, which make it with those features : safety, reliability, and energy saving, fireproof, flameproof, simple maintenance etc., the design is advanced ; the structure of products is reasonable and the outline is fine, the main performances of the products are much better than the national standards, for example, partial discharge level no - load loss, on - load loss, noise level, it is adaptable for application on heavy humidity and severely pollute places which are near to lake, sea and rive, as well as, high demand - fireproof, heavy load capacity place, such as : high building, airport, station, port, underground, hospital, electrical power station, metallurgy, shopping center, residential area and petroleum chemical industry, nuclear power station, nuclear - powered submarine

    包封線圈三相干式變壓器,具有安全可靠節能防火防爆維護簡單等優點。其設計先進結構理外形美觀。主要性能指標均優于國內標準,如局放水平載損耗負載損耗噪聲以及能適應高溫度環境使用等,可安裝在靠近湖海河邊污穢潮濕的環境及防火要求高負荷較大的地區,適用於高層建築機場車站碼頭地鐵醫院電廠冶金行業購物中心居民密區以及石油化工核電站核潛艇等場所。
  6. Abstract : yanchang series is a typical low permeability reservoir, and its favourable sandstone reservoir is delta facies. heavy compaction, cementation and heterogeneity exist in it. according to the analysis of the main control factors of forming the secondary pore, it is held that the secondary pore in longdong area is controlled by both favorable facies belt and abnormal formation pressure. it is also held that the formation of the abnormal formation pressure is due to the dewatering of the clay mineral during diagenesis because the dewatering time is identical with the decarboxylation time of organism. organic acid and co2 are driven to adjacent favorable reservoirs under the abnormal formation pressure, and a lot of secondary pore is produced in the runners. from the present exploration result, it is useful to predicting the development of secondary pore to study the distribution of abnormal formation pressure

    文摘:陜甘寧盆地三疊系延長統是國內外典型的低滲特低滲油田,儲層主要為三角洲砂體,壓實作用和膠結作用強烈,儲層均質性常嚴重,因此預測次生孔隙發育帶是尋找油氣聚帶的關鍵.通過對陜甘寧盆地隴東地區延長統次生孔隙形成的主控因素分析,認為陜甘寧盆地延長統次生孔隙的形成除了受沉積有利相帶控制外,還與地層異常壓力的作用密切相關.研究認為隴東地區異常壓力的形成機理主要由於成巖過程中粘土礦物脫水作用.粘土礦物大量脫水時間正好與有機質脫羧期相一致,從而在異常壓力作用下將生油巖中的大量有機酸及co2帶到與之相鄰的儲層中,並沿著有利儲相帶運移,在酸性水經過的地方形成大量的次生孔隙,為後期油氣運聚提供有利通道及宿住間,從現今的勘探結果來看,通過研究地層異常壓力縱橫向分佈特徵,並結有利相帶研究預測次生孔隙育良帶是行之有效的方法
  7. Yanchang series is a typical low permeability reservoir, and its favourable sandstone reservoir is delta facies. heavy compaction, cementation and heterogeneity exist in it. according to the analysis of the main control factors of forming the secondary pore, it is held that the secondary pore in longdong area is controlled by both favorable facies belt and abnormal formation pressure. it is also held that the formation of the abnormal formation pressure is due to the dewatering of the clay mineral during diagenesis because the dewatering time is identical with the decarboxylation time of organism. organic acid and co2 are driven to adjacent favorable reservoirs under the abnormal formation pressure, and a lot of secondary pore is produced in the runners. from the present exploration result, it is useful to predicting the development of secondary pore to study the distribution of abnormal formation pressure

    陜甘寧盆地三疊系延長統是國內外典型的低滲特低滲油田,儲層主要為三角洲砂體,壓實作用和膠結作用強烈,儲層均質性常嚴重,因此預測次生孔隙發育帶是尋找油氣聚帶的關鍵.通過對陜甘寧盆地隴東地區延長統次生孔隙形成的主控因素分析,認為陜甘寧盆地延長統次生孔隙的形成除了受沉積有利相帶控制外,還與地層異常壓力的作用密切相關.研究認為隴東地區異常壓力的形成機理主要由於成巖過程中粘土礦物脫水作用.粘土礦物大量脫水時間正好與有機質脫羧期相一致,從而在異常壓力作用下將生油巖中的大量有機酸及co2帶到與之相鄰的儲層中,並沿著有利儲相帶運移,在酸性水經過的地方形成大量的次生孔隙,為後期油氣運聚提供有利通道及宿住間,從現今的勘探結果來看,通過研究地層異常壓力縱橫向分佈特徵,並結有利相帶研究預測次生孔隙育良帶是行之有效的方法
  8. This will be the city s most outstanding luxury villa project, offering the deluxe chateau lifestyle. these two houses feature spacious and functional layouts, which together with extensive outdoor areas will offer residents spectacular green landscapes. the quality of materials used further enriches the ideal designs, giving residents the modern, luxurious lifestyle of their dreams.

    團精心發展的葡萄園為城中最具酒莊風格的豪宅洋房,兩款小葡萄別墅單位間隔寬敞實用,加上特大的戶外間,讓住戶享有最寬闊的視野和園林景觀力臻完美的間設計配優質用料,盡顯凡氣派,勢將為住戶帶來全城夢寐以求的時尚舒適及氣派超然的生活享受。
  9. By analyzing their energy offset on the interfaces, we found that the introduction of ii - vi compounds replaces the original steep barrier with ladder - like barriers. the injection probability becomes the production of two injection probabilities through lower barriers and become larger than the original one. in chapter 5 we want to utilize the deeper, dynamical ( in addition of static ) properties of semiconductor to reinforce the luminescence of oel

    為使類陰極射線發光同有機電致發光成,我們設計了對稱結構al sioz mnppvn , mn ppv中的發光是由於從sioz出來的電子和從ld注人的穴的復,而由於sioz中的電子的倍增過程,從sioz層出來的電子能量不是單一的,而有一個從低能到高能的分佈。
  10. Research result shows that the object - oriented geographic spatial model has stronger representative ability, is easier understood and accepted ; using the concept of geometric data type unify the process method of attribute and spatial data, and simplify entity query and analyses. the topologic relations between entities, which are not been stored in explicit formulation in the model, can be achieved through collective operation of geometric object ' s hypergraph model. compared with traditional his, the query and analyses ability of which based on new model are stronger

    研究結果表明,面向對象的地理間模型具有更強的表現能力,並且容易被理解和接受;採用幾何數據類型的概念,可以使對間數據和間數據的處理方法相統一,而且會使對實體的各種屬性數據(包括間屬性)的查詢和分析模型更加簡單;對于面向對象模型中不顯式表示的地理實體間的間拓撲關系,可以利用實體的幾何對象的超圖模型間的運算來求得;基於面向對象地理間模型的實體查詢和分析,也比基於傳統gis數據庫查詢和分析具有強得多的功能。
  11. There will be a great future if we integrate solar energy utilization techniques into heat pump techniques. on the base of integrating the two techniques, the paper analyzed the art trait of heat pump water heater, the manner of integration, the essential theory ; and developed a small capacity direct expansion solar - assisted heat pump water heater, and tested its thermal performance on the condition of different weather such as sunshine, overcast sky & night. the results make clear a small capacity direct expansion solar - assisted heat pump water heater can absorb not only solar energy but heat energy in air ; it takes on favorable thermal performance, on the condition of different weather such as sunshine, overcast sky & night, coph is about between 3. 5 ~ 5. 0, eer is about between 2. 5 ~ 4. 5, these are better than traditional air source heat pump water heater and non - direct expansion solar - assisted heat pump water heater, and it takes between 2 and 3 kwh to heat 270 kg water from 20 c to 50 c, it is very great in terms of saving energy and protecting environment,

    本文在結太陽能利用與熱泵技術的基礎上,分析研究了太陽能熱泵熱水系統的技術特點;太陽能熱系統與熱泵系統的結方式;直接蒸發式太陽能熱泵熱水系統的基本理論;研製出小功率直接蒸發式太陽能熱泵熱水系統樣機,並在晴天、陰天、夜晚等不同的天氣情況下對其進行了試驗,實驗結果表明:本小功率直接蒸發式太陽能熱泵熱水系統不但可以有效地吸收太陽能,還能有效地吸收氣中的能量,具有良好的熱性能,在不同的天氣情況下,其制熱系數cop _ h大約在3 . 5 5 . 0之間,優于傳統的氣熱泵和直接蒸發式太陽能熱泵熱水系統:其效能比eer大約在2 . 5 4 . 5之間,將270kg水從20加熱到50隻需用電2 3度,節能及環保效果明顯。
  12. Alternatively, we investigate the relationships between the space of bounded operators and its regular operator subspace with respect to the operator norm topology, thereby answering partially the question of how big the regular operator subspace is and discussing the existence of strongly non - regular operators between some classical banach lattices

    這里把這一問題轉化為考察有界線性運算元間與它的正則運算元子間在(一致)運算元拓撲之下的關系,從而部分的回答了正則運算元在有界線性運算元間中有多大的問題,解決了經典banach格上強正則運算元的存在性。
  13. The representation theories of mp - filter which is created by an non - empty set of a implication algebra on a partial ordered set with condition ( c ) are obtained at first. and it ' s proved that the set which contains all mp - filters of a implication algebra x, denoted by mf ( x ) = { f x f is a filter of x }, is a distributive lattice and a complete lattice also in the view of the concept of mp - filter. then the fuzzy filter of a implication algebra is discussed, and the relations between mp - filter and fuzzy filter are obtained

    藉助于mp -濾子的概念,得到了偏序上具有條件( c )的蘊涵代數中由非空集合所生成mp濾子的表示定理,證明了由其上所有mp -濾子組成的mf ( x )是一個完備的分配格;得到了蘊涵代數中fuzzy濾子與mp濾子的關系,給出了fuzzy濾子成為fuzzy素濾子的若干刻畫;並利用mp -濾子和fuzzy濾子,刻畫了一類偏序上蘊涵代數的結構。
  14. Agriculture in yanbian has come into a new step experienced more than twenty years of reform and opening policy. it mainly improves qualities and optimize the structure and increase the income of famers. it also stresses on combination of traditional investment and capital - intensive and technology - intensive. but the core of " three agriculture " problems now which famers faced are the magrinal contribution of non - agriculture ' s income will less than before. the space is limited by going a step further in enhancing the prices of agricultural produce

    延邊農業經過改革開放后20多年的發展現已進入了以提高品質、優化結構和增加農民收入為主,注重傳統投入與資本約和技術約相結的優化發展新階段。但是現階段「三農」問題的核心? ?農民增收面臨著農收入的邊際貢獻將會越來越小、進一步提高農產品價格的間極為有限,貿易條件改善對增加農民收入的作用將逐步減弱、國家對農業和農民的補貼狀況在短期內不可能有大的改變的格局。
  15. The length should be added if the cost is n ' t increased and the installation is convenient, the diameter should be chose by the local weather condition and the using requirement ; the gas pressure should be not higher than 5 x 10 - 2pa and the emissivity should be less than 0. 1, the spring should be small and narrow in order to decrease the heat loss, the gas absorbed getter should not be too many as long as it can absorb the residual gas and keep the vacuum degree

    在不影響安裝和增加成本的情況下,應適當增加太陽能真熱管的長度;根據當地的氣候條件和使用要求來綜考慮選擇直徑;國標規定的真度必須達到5x10 』 zpa ,發射率小於0 . 1是理的;彈簧卡子不要選用很寬、很大的尺寸,盡量減少接觸熱損;吸氣劑並越多越好,只要能夠吸收殘余氣體,保證一定的真度即可。
  16. Build the compute model of all - glass evacuated solar collector tube in fluent according to the physical model and the interface of fluent, set the boundary conditions on the basis of the fact of three different states of air stagnation, water stagnation and heat loss. the calculation results have a good match with the test results. 2

    根據太陽能真熱管的物理模型和fluent的建模要求,建立了太陽能真熱管的fluent計算模型,根據太陽能真熱管在悶曬、曬和散熱狀態下的工作條件,設置fluent計算的邊界條件,對三種工況下的流場和溫度場進行計算,計算結果與實驗測試結果常吻; 2
  17. Adopting the globe pole mapping method of space analytic geometry, forming a topological mapping model from the high dimensionality vector to the low one, and then realizing a corresponding mapping from the rectangular matrix high dimensionality space text set to the low dimensionality space text set, finally, composing the corresponding arithmetics, accordingly solving the problem of nonlinear dimensionality reduction for text mining effectively, and overcoming some drawbacks in the former researches

    摘要採用了間解析幾何中的球極映射方法,形成高維向量到低維向量的拓撲變換模型,實現了矩陣形式的高維間文本到低維間文本的一一映射,編制了相應的演算法,從而有效地解決了文本挖掘中的線性降維問題,克服了以往研究中的缺陷。
  18. The existence conditions of unique solutions are discussed by using - reslovent operators for set - valued mixed quasi - variational - like inequality and generalized set - valued variational inclusion problems on finite dimensional euclidean spaces ; respectively. the problem that under what conditions the solution set is nonempty ( not necessarily unique solution ) is

    ?利用-預解運算元在有限維間中探討了值混擬類變分不等式問題和廣義值變分包含問題存在唯一解的條件;利用分析的方法在實hilbert間中討論了值混擬類變分不等式問題解性(不一定只有唯一解) 。
  19. Parameter combinations that have the potential to return a non - empty collection include

    有可能返回非空集合的參數組包括:
  20. In particular, some properties of the solution set of the equation a 0 x = b ( where " 0 " denotes sup - inf composition ) are given when the domain is an infinite set on lattice [ 0, 1 ]. prom the coefficients of the equation aqx = 6, it is showed that a sufficient and necessary condition that the solution set is nonempty and one for existence of an attainable solution or an unattainable solution

    特別在[ 0 , 1 ]格上對無限論域方程a ? x = n (其中「 ? 」表示sup - inf成)的解的性質作了討論,僅從方程的系數出發給出了方程解的充要條件以及存在可達解或不可達解的充要條件。
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