present range 中文意思是什麼

present range 解釋
瞬間距離
  • present : adj 1 在座的,出席的,在場的,到(場)的;現存的,存在的 (opp absent)。2 現在的,今天的,當前的...
  • range : vt 1 排列;整理(頭發等)。2 使歸類[班、行、隊];把…分類。3 〈用被動形或反身形〉加入,站住…的一邊...
  1. By comparing theoretical predictions with experimental data, one can obtain a valuable information on the form of the qq interaction potential. such information is of great practical interest, since at present it is not possible to obtain the quark - antiquark ( qq ) potential in the whole range of distances from the first principles of qcd

    夸克勢模型是其中重要的模型之一,它不僅能研究強子的基態,而且能研究激發態,但是,源於在中和大距離與qcd真空的復雜結構有關的非微擾特徵,還不可能獲得整個距離范圍內的夸克?反夸克相互作用勢。
  2. With the adding of appropriate conditions, we present in this note a sharper range of inverse function. this is of important to nonlinear analysis and numerical feasibility appraisal

    本文通過附加適當的條件,刻劃了反函數的存在域大小,這種存在域對非線性分析中研究解的存在性、解的估計及非線性方程組求解的數值可行性都有一定的意義
  3. Based on consider hereinbefore, this dissertation discusses several aspects on the problem of the sustainable and optimum exploitation of groundwater resources as follows : ( 1 ) reviewed entirely the origin and evolvement of the concept " sustainable development ", stated and commented the study status in queue on " sustainable development " around national and international range, thorough discussed the science connotation about the concept " sustainable development " ; ( 2 ) looked back and commented across - the aboard some furthest basic concept and proposition related to groundwater resources, put forward self opinions on a few existent mistake points of view and chaos understandings ; ( 3 ) expatiated entirely on the content and meaning of the theory of changeable groundwater resources system, contrast with the traditional methods of groundwater resources calculation and evaluation, combined example to show the application of this theory ; ( 4 ) thorough analyzed the difficult and complexity to forecast the groundwater resources, fully stated the traditional methods of groundwater resources forecasting, pointed out the characteristic and applying condition of these forecasting method, introduced the main ideas and methods of wavelet analysis developed recently, and the matlab software be known as the fifths era computer language, and its accessory wavelet analysis toolbox, applied these methods and tools to analyze the groundwater dynamic curve, adopted the b - j method and morte - carlo method, combined with the theory of changeable groundwater resources system, discussed the new view on the forecast of groundwater resources ; ( 5 ) synthetically analyzed the characteristics and limitations of the present all kind of groundwater manage model, combined mathematical programming mathematical statistics random process and the theory of variation system of groundwater resources on the unite optimum attempter of surface water and groundwater, emphasized how to make the model more nicety, more simple, more practicality ; ( 6 ) analyzed the inside condition and outside condition to assure the sustainable and optimum exploi tation of groundwater resources, the inside conditions are the follows : correct resources idea, scientific methods of resources calculation and evaluation, credible forecast methods of resources, exercisable measures of resources management, the outside conditions are the follows : the development idea of high layer, the transform of manage system, the matched policy and rule of law, the adjusted of economy lever, the improve of cultural diathesis, the boosting up of water - saving consciousness and detail measures, the control of population rising, the prevention and cure of water pollute, the renew and rebuild of ecology ; ( 7 ) scan the sustainable and optimum exploitation of groundwater resources from the high level of metagalaxy, earth system science, and philosophy ; lint out the more directions on groundwater resources

    基於以上考慮,論文主要從以下幾方面對地下水資源可持續開發問題進行了比較深入的探討:全面回顧了「可持續發展」概念的由來與演變,對國內外「可持續發展」的研究現狀進行了述評,並對「可持續發展」概念的科學內涵進行了深入探討;對涉及地下水資源的一些最基本的概念和命題進行了全面的回顧和評述,對目前仍然存在的一些錯誤觀點和混亂認識提出了自己的見解;全面闡述了地下水資源變值系統理論的內容和意義,並與傳統的地下水資源計算評價方法進行了對比分析,結合實例具體說明了方法的應用;深入分析了地下水資源預測預報工作的極端重要性和復雜性,對傳統的地下水資源動態預測方法進行了全面的評述,指出了各類預測預報方法的特點及適用條件,對最近二十多年剛發展起來的小波分析技術的主要思想和方法及其應用范圍,以及號稱第五代計算機語言的matlab軟體和附帶的小波分析工具箱進行了介紹,並應用於地下水動態過程線的分析,採用時間序列中的b ? j法,蒙特卡羅方法,與地下水資源變值系統理論相結合,探討了地下水動態資料分析和地下水資源預測預報的新思路;綜合分析了現今各類地下水管理模型的特點及缺陷,將數學規劃、數理統計、隨機過程等與地下水變值系統理論相結合進行地表水地下水或多水源的聯合優化調度,使模型更準確、更實用;對保證地下水資源可持續開發的內部條件和外部條件進行了分析,內部河海人學博卜學位論文前言、摘要、目錄條件主要是正確的資源觀,科學的資源計算與評價方法,可靠的資源預測預報技術,可操作的資源管理措施,外部條件主要是高層發展思路、管理體制的變革、配套的政策法規、經濟杠桿的調節、人文素質的提高、節水意識的增強及具體節水措施、人口增長的控制、水體污染的防治、生態的恢復和重建等;從宇宙科學、地球系統科學及哲學的高度審視地下水資源的可持續開發;指出了地下水資源可持續開發的進一步研究方向。
  4. The problem of modeling and control is a attention focus of people. the boiler water lever is importance index of industry boiler safety and satabilization. it is importance meanimg to ensure water level in definite range for increasing quality of steam and reducing wastage of equipment and insuring safety of whole hert - power - net at present, the mostly method is adopt the routine pid control

    鍋爐的建模與控制問題一直是人們關注的焦點,而汽包水位是工業鍋爐安全、穩定運行的重要指標,保證水位控制在給定范圍內,對于提高蒸汽品質、減少設備損耗和運行損耗、確保整個網路安全運行具有重要意義。
  5. Products on show will range from seating, in - flight entertainment systems, lighting, galley equipment and flooring through to fabrics, laminates and latest generation food service and cabin comfort products. some exhibitors will show concept interiors and complete interior mock - ups while others will present refurbishment products and replacement parts

    亞洲飛機室內設計及設備展將會展出的產品,包羅萬有,包括機艙座椅、機艙內的娛樂設施系統、燈光設備、機上的廚房設備、機艙地面的用料、與餐飲服務有關的產品和其他設備的最新設計。
  6. As proved by experiments, the present method can effectively restrain the influence of speckle to the laser triangular measurement system and the obtained calibration accuracy is about 0. 05mm within 100mm depth range

    只需對特殊設計的模塊進行一次測量,便可完成對整個測量系統的校準。該方法能夠有效的抑制激光散斑的影響,具有較高的系統精度。
  7. In the present study, a compartment cultivation system and histochemical staining were used to investigate the influence of soil available p level, plant p status and soil organic p on the growth and metabolic activity of am fungi. differences in metabolic activity among am fungal isolates and the relationship between metabolic activity and mycorrhizal effectiveness were al so investigated. in addition, am fungi from a wide range of environmental conditions ( originally isolated from north, central and south china ) were used to study the ecological adaptability of am fungi and the influence of edaphic conditions on am fungal growth and metabolic activity

    本研究採用分室根箱、組織化學等手段研究了土壤施磷水平、植物磷營養狀況、土壤有機磷對am真菌生長和代謝活性的影響;不同am真菌的代謝活性及其與菌根效應之間的關系,並對我國華北、華中和華南地區篩選出的高效菌株進行了生態適應性的比較,以期在理論上闡述宿主植物生長狀況及土壤條件對菌根真菌生長和代謝活性的調控機制,篩選出具有廣泛生態適應性的am菌株。
  8. Basing on other researchers ’ work, this paper has put forward a novel type of icc ( induced current cancellation ) shielding layer for rfic / mmic performance improvement, to reduce high frequency loss, increase q value, and expand its application frequency range. and present how to realize rfic / mmic components such as i / o pad, inductors, baluns and so on by applying icc shielding layer structures. furthermore co - design methods of ic component structure and foundry process structure designs has been presented in this thesis

    在無線通信技術對cmos射頻/微波集成電路需求的大背景下,本論文提出了用於高頻集成電路( rfic / mmic )器件的各類新型icc ( inducedcurrentcancellation ,感應電流相消)屏蔽工藝結構,由此設計製造的ic部件解決了傳統半導體工藝無法實現射頻/微波集成電路的難題,以達到降低高頻集成電路器件的高頻損耗,提高器件q值以及擴寬器件應用頻帶的目的。
  9. Comparing the calculated results and the theoretical results, it can discover that the error is not out of the permitted range. then, the present method is efficiency and can be applied to engineering

    計算解和理論解的誤差分析表明,最大誤差都在允許范圍內,從而驗證本方法是行之有效的,可以用於工程實際。
  10. At present, people usually use birefrigence and quasi - phase - matching methods to achieve higher effiency in the process of conversion. a significant advantage of quasi - phase - matching method is that the interaction is occurred through the largest element of the x ( 2 ) tensor ; the period of optical superlattice can be designed randomly, and any interaction can be matched without walk - off angle ; they are fitted to be used in frequency conversion of lower power especially. the quasi - phase - matching method has some advantages over birefrigence method, improving the efficiency of frequency conversion ; the range of frequency conversion covers its whole transperant wavelength

    由於準相位匹配技術有其獨特的優勢,可以利用非線性光學晶體的最大二階極化張量,如ppln 、 pplt 、 ppktp用的非線性極化張量都是d _ ( 33 ) ,其有效非線性系數高出普通非線性光學介質(如bbo 、 lbo 、 ktp )一個數量級,而且可以人為靈活設計調制周期,通過周期設計其頻率變換范圍可以覆蓋準相位匹配介質的整個透明波段,選擇無走離效應,解決了常規pm難以解決的問題,拓寬了非線性晶體的應用范圍,極大地提高了頻率轉換效率,已成為非線性光學材料和固體激光器的研究熱點之一。
  11. Of the species, . characters of ecology, reproductive biology, genetic diversity, population genetic structure, endangering mechanisms, and sampling strategy have been studied in view of conservation biology. the results may be summarized as follows : by field investigation, we found that the localities recorded for four specimens of d. versipellis and d. pleiantha had disappeared, and most of the present populations are located in protected subforests. the distributional range of d. versipellis has also been reduced greatly, evidently, the number of present populations has decreased, the resources are reduced sharply, and the species are clearly endangered

    從保育生物學的角度,對八角蓮種群生態學和生物學特性、遺傳多樣性水平和遺傳結構、瀕危機制及保育取樣策略進行了研究,結果如下:通過野外調查發現,原標本記載的一些八角蓮和六角蓮種群已難以找到,該類群目前多分佈於自然保護區外圍次生林地帶,分佈范圍明顯縮小,現存群體的規模也明顯減少,資源量貧乏,物種處于瀕危狀況。
  12. Then jurors do n ' t have independent legal positions, the formulations of jury system in the procedural law are confused. even worse, there are no formulations for jurors " qualification requirements terms, responsibility range, specific powers and jurors " treatments etc. at present, there are lots of discussion about the abolishment and preservation of chinese jury system. three pieces of attitude come up

    但我國陪審制度在立法和司法層面上存在諸多的缺陷,如現行立法對陪審制度的適用范圍規定的非常狹窄(僅適用於第一審程序) ,陪審員也沒有獨立的法律地位,陪審制度在三大訴訟法中的法律表述混亂不一,法律沒有對陪審員的資格條件、任期的長短、責任的大小、具體的職權、補助等問題作出相應的規定。
  13. Results indicate that with the approximation of _ ( 0 ) _ ( 0 ) - grtlneisen equation of state is usable to describe the release isentrope of ofhc copper in the present pressure range. in addition, the difference ( w - 2u ) becomes greater with the increase of shock pressure, where w is the measured particle velocity at the final release state ( 1 atm ) and 2u is computed from the mirror line of hugoniot

    卸載路徑的計算和分析表明:在所研究的壓力范圍,無氧銅的等熵卸載過程用gr neisen狀態方程在_ 0 _ 0 =近似下的描述是適用的;卸載到一個大氣壓的終態粒子速度w與鏡像反演的粒子速度2u的偏差,隨沖擊波壓力的增加而增大。
  14. Under single polarized measurement, wavelet transform is used to filter noise, recognition results of target are evidently raised. against the conventional definition, a new time - frequency range profile is present, thereby the more accurate features of target can be picked up and identified. secondly, methods of conductor imaging are studied

    對一維距離像的特性進行了分析;利用小波變換濾噪提高了單極化下基於目標一維距離像的識別率;相對一維距離像的傳統定義提出了時頻距離像的新定義,從而更為精確地反映目標的精密結構特徵。
  15. With the international and domestic environment changing, the united front is meeting increasing new situations and problems at present, making the range of the united front work wider and the task heavier

    隨著國際、國內環境的變化,當前統一戰線遇到的新情況、新問題正在不斷增多,使統一戰線工作的范圍更廣、任務更重。
  16. According this as well as the developing trend hi the future, the writers present new methods and conceives in these areas : tong range support, material support, precision support, visible support and manpower support

    在此基礎上,結合未來綜合保障的發展方向,從遠程支持保障、物資保障、精確化保障、可視化保障和人力資源保障等方面探討了艦載雷達綜合保障的新方法和新設想。
  17. So we present a new method of subdivision surface modeling. this method not only maintains the intrinsic property of catmull - clark subdivision surface, but also makes this kind of surface have a new function of interpolating multi - predefined b - spline curves. it overcomes some limitation of catmull - clark subdivision scheme and widens its application range, which brings subdivision surfaces from animation design and artistic modeling to mechanical products design

    因此,作者給出了一類新的細分曲面造型方法,該方法保持了catmull - clark細分曲面的原功能,但增加了插值若干條已知b樣條曲線的新功能,克服了catmull - clark細分方法的局限,拓寬了catmull - clark細分方法的應用范圍,為細分曲面從動畫製作和藝術造型走向機械產品設計的應用闖出了新路。
  18. Electro - optical curves for lc cells have been analyzed and it has been shown mat a large attenuation range and a shallow attenuation slope can be achieved simultaneously for a variable optical attenuator based on a parallel - aligned lc cell with an appropriate surface anchoring strength. as compared with the existing liquid crystal - based voa structure ( using two cascaded lc cells with a particular material ), the present structure is simple and has no special requirement for the lc materials

    提出了基於弱錨定平行排列液晶盒的可變光衰減器(衰減范圍大、衰減曲線下降平緩以保證調節精度) ,與己有液晶型可變光衰減器結構(選用特定液晶材料、兩個液晶盒級聯結構)相比較,本論文提出的基於弱錨定平行排列液晶盒的可變光衰減器結構簡單,同時對于液晶材料無特殊要求。
  19. 《 law of administrative reconsideration of prc 》 has extended the range of accepting cases to a certain extend compared with 《 the provisions of administrative reconsideration of prc 》. however, due to different reasons, the present range of accepting cases in administrative reconsideration still excludes the abstract administrative behavior, internal administrative behavior, potential administrative behavior and administrative judicial behavior as the range of reconsideration, which is a great deficiency

    《中華人民共和國行政復議法》中對於行政復議受案范圍的規定較《中華人民共和國行政復議條例》有了一定程度上的擴充,但是因為多方面的原因,我國現行行政復議法受案范圍上仍存在著未將抽象行政行為、內部行政行為、準行政行為、行政司法行為納入復議范疇的缺陷。
  20. Supply chain service division originally cooperated with exe and acted as an agent for its products ; however, after the merger, the cooperation was transferred to ssa global simultaneously the original exe was combined and formed by american dallas systems and neptune software, two professional logistic information technology companies. the present range of ssa global organization includes asian pecific, europe and north america which are the top three regions, and ssa global has more than 100 world - renowned customers, including third party logistic companies such as excel, ups, fedex, bax global, and retailer companies such as wh smith, safeway, circle k, and boots, as well as world - renown manufacturers such as sony, adidas, samsung, and gm

    美商ssa global technologies inc . ssa global經過審慎的評估后決定投入物流倉儲管理系統warehouse management system ; wms的市場,於2003年並購全世界最大物流倉儲管理系統提供者美商exe technologies inc . exe供應鏈系統服務部原與exe合作代理該公司的產品,于並購后同時轉移與ssa global合作原exe ,由美國dallas systems與neptune software兩家專業的物流資訊技術公司合併組成。 ssa global目前的組織包括亞太,歐洲及北美三大體系,全球知名的客戶超過百名,包括第三方物流的excel ups fedex bax global等,零售的wh smith safeway circle k boots等,製造業的sony adidas samsung gm等知名大廠。
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