demand vt. 1.要求,請求;需要。 2.詢問,盤問,追究。 3.【法律】召喚。 demand an interview 要求會面。 The work demands care. 那項工作需要細心。 demand sb.'s name 詢問姓名。 demand (sth.) of [from] (sb.) 向(某人)要求(某物)。 She demanded that we let her in. 她要我們讓她進來。 vi. 要求,查問。 ★后面子句中的動詞,美國人多用假設語氣現在式,即第三人稱單數現在時不加 -s,如:She demands that he assume the responsibility. (她要求他承擔責任。)英國人則用 should assume. n. 1.要求,請求。 2.需要;銷路。 I have a demand to make of him. 我對他有一個要求。 supply and demand 供給和需要。 demand for a commodity 商品的需要[銷路]。 There are many demands on my purse. 我有許多事情要花錢去辦。 be in demand 有需要,銷路好。 on demand 請求即(a bill payable on demand 見票即付的票據)。 present one's demands 提出要求。 n. -er 要求者。
active adj. 1.活動的,有活動力的;【生物學】活性的;【電學】有功的;【無線電】有源的;【物理學】放射性的。 2.有生氣的,活潑的,靈敏的,敏捷的;主動的,能動的,積極的;有力的,勤勉的;【醫學】有特效的。 3.現行的,活動中的;【軍事】現役的。 an active demand 暢銷。 an active volcano 活火山。 The market is active. 市場活躍。 active measures 積極手段。 on active service 【軍事】現役,現役中的。 take an active part [interest] in 積極參加。 adv. -ly 活躍地;積極地,能動地;【語法】主動地。 n. -ness 活躍,積極性。
be active in 對…很積極; 活躍于; 積極參加; 積極于; 在......里活躍; 在……活躍
There is an active demand for the various types of the unique european designed electric appliances and we are eager to assist you in extending your sales here 本國對歐洲設計的各類家用電器需求量很大,我們樂于在此地幫助您推銷產品。
Looking ahead , the luxury residential leasing market is expected to continue to see active demand and low vacancy rates for the whole year of 2006 展望今年走勢,上海市租賃市場總體運行將繼續看好,預計2006年全市高端物業的租賃市場仍將保持較高的水平。
With the widespread availability in space - borne radar system and airborne radar system of the phased array radar , the research on which became an active demand 并且由于相控陣雷達在星載和機載系統中得到日益廣泛的應用,使得這種研究顯得尤為必要和迫切。
In china , the rural villagers who living far from large city have the active demands of bulk information and various education resources to narrow the current gap between the rural places and cities 在我國,遠離大城市的廣大農村迫切需要大量的信息和各種教育資源,來幫助它縮小與大城市的差距。
Based on the active demand in developing ec in internal automobile industry , this paper gives a summary about experience in ec building got from developed country and investigates practical situation in enterprise internal information infrastructure constructing , put forward the strategy frame to develop china ec in automobile industry 基于中國汽車企業發展電子商務的迫切需要,本文通過對發達國家汽車電子商務發展的經驗總結和中國汽車企業信息化建設實際狀況的研究,提出了中國汽車行業發展電子商務的框架。
Consequently concrete production practices are now being conducted by relying on more experiences or trial and error than related theory . so the study on the interfacial chemistry phenomena and rheological properties of the “ cement - water - superplasticizer ” system is in active demand . the systematical study on the interfacial properties and their influence factors based on the theory of colloidal science , interface chemistry , chemistry of cement and polymer science were conducted in order to establish the relationship among interfacial properties , microstructure and rheological characteristics of “ cement ? water - superplasticizer ” system , and provide the theoretical guide for the manufacture and applications of cement , concrete and superplasticizers 本文選擇“水泥-水-高效減水劑”系統的界面化學現象和流變特征作為研究課題,旨在通過深入系統地研究水泥與高效減水劑在水介質中的一系列界面化學現象及其影響規律,利用膠體化學、界面化學、水泥化學和高分子化學的相關基礎理論,分析水泥與高效減水劑的相互作用機理,確定系統中界面化學現象、系統微觀結構和流變特性的關系,指導水泥、混凝土及外加劑的生產實踐。