無源向量場 的英文怎麼說

中文拼音 [wúyuánxiàngliángchǎng]
無源向量場 英文
source free vector field
  • 無 : 無Ⅰ動詞（沒有） not have; there is not; be without Ⅱ名詞1 （沒有） nothing; nil 2 （姓氏） a surn...
  • 源 : 名詞1. （水流起頭的地方） source （of a river）; fountainhead 2. （來源） source; cause 3. （姓氏） a surname
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 場 : 場Ⅰ名詞1 （平坦的空地 多用來翻曬糧食 碾軋穀物） a level open space; threshing ground 2 [方言] （...
  • 無源 : [無線電] passive無源電路 passive circuit; passive electric circuit; 無源天線 passive antenna; ref...
  1. Skin - the - goat, assuming he was he, evidently with an axe to grind, was airing his grievances in a forcible - feeble philippic anent the natural resources of ireland, or something of that sort, which he described in his lengthy dissertation as the richest country bar none on the face of god s earth, far and away superior to england, with coal in large quantities, six million pounds worth of pork exported every year, ten millions between butter and eggs, and all the riches drained out of it by england levying taxes on the poor people that paid through the nose always, and gobbling up the best meat in the market, and a lot more surplus steam in the same vein

    他以色厲內荏的申斥口吻，就愛爾蘭的天然資源問題什麼的，發泄了一通牢騷。他在一席冗長的論說中描述愛爾蘭是天主的地球上無與倫比的富饒國家，遠遠超過英國，煤炭產量豐富，每年出口的豬肉價值六百萬英鎊，黃油和雞蛋則共達一千萬英鎊。但是英國卻向愛爾蘭的窮苦人民橫征暴斂，強迫他們付出驚人的巨款，並把市場上最好的肉掠奪一空。
  2. These supply us benefit for reference. construction enterprise, on one hand, can select proper strategy on the basis of their own resource and condition, as external environment varies in order to seize opportunity. on the other hand, as reforms on economic systems progresses, and globalization and integration develop, move and move mne ' s come into china, and they confront much more competitors, which cannot be reduced by the nation ' s mandatory plan

    對于剛剛從計劃經濟體制下脫胎走向市場經濟的大型國有施工企業，一方面，在擺脫了經濟體制的羈絆后，企業可以根據外部環境的變化和自身的資源和條件選擇適當的戰略，從而抓住機遇促進自身發展，但另一方面，隨著經濟體制改革的不斷深入和經濟全球化和一體化過程的加快，尤其是伴隨跨國公司大量進入中國所帶來的國際競爭的加劇，企業又面臨越來越多的威脅，逐漸失去了政府各種保護的國有大型施工企業再不能靠完成國家指令性計劃就高枕無憂。
  3. In view of the problems of the environment pollution and land occupization by the deposition of large quantities of tailings on the ground and in combination with the development orientation of national and international mining and the market demand, the underground mining techndogy research in the direction of non - waste is proposed so as to finally realize the coordinated development of mine resource development and environment protection

    針對國內大量尾砂堆置地面污染環境、佔用土地等問題，結合國內外采礦發展方向和市場需求，提出了地下礦山無廢料開采技術的研究方向，最終實現礦山資源開發與環境保護協同發展。
  4. Based on fourth - order cumulant, a computationally efficient method for joint estimating both directions of arrival and ranges of near field sources with known carrier frequency is firstly presented. the proposed algorithm need not any spectral peak searching and the 2 - d parameters are automatically paired. lt is suitable for arbitrary additive gaussian noise environment. in the following section, a 3 - d esprit method for jointly estimating of frequencies, doa ' s and ranges of multiple near - field sources with unknown carrier frequencies is proposed. the parameters estimation are given by the eigenvalues of different matrices. furthermore, its performances are confirmed by several computer simulations

    利用四階累積量，第五章首先給出了一種載頻已知的情況下基於近場源的距離和波達方向聯合估計演算法，通過構造的陣列輸出信號四階累量矩陣使空間信號到達方向和距離估計無需譜峰搜索，且參數自動配對，適合於任意高斯噪聲環境。進一步在第三節提出了一種載頻未知的情況下的多個近場窄帶信號源doa 、距離和頻率聯合估計的3 - desprit演算法。
  5. In the qualitative, quantitative and directional way, successful factors, such as the superiority of marketing, the superiority of resource, the superiority of consumption, and the advantage of corporations supporting, etc, were described, and six important background factors, include of the increasing consumption, the competition from milk market, the challenge of joining into wto, the adjustment of industry structure, the winning against oneself, and accelerating development, were analyzed. new objects were put forward, that is, high quality, rationalizatio n of region distribution, having a core of brand, trade penetrating into various area, diversification of product exploitation, internationalization of preponderant product, and orientating function in market. development of tianjin milk industry should be based on materials and base, take resource integrating and market regulating as means, take trade infiltrating and product development as support, take specialization, industrialization, collectivization and internationalization as orientation, take the development of international milk corporation as mode, and take " creating name brand, entering the first - ten corporation of milk industry " as object

    本文在廣泛調查研究的基礎上，圍繞天津奶業發展，全面客觀地評價了天津奶業發展現狀，採用定性、定位、定量和定向的方法，描述了天津奶業作為城郊型奶業在競爭中形成的市場優勢、資源優勢、消費優勢、龍頭企業依託優勢、外資企業進入優勢、奶類項目援助優勢等眾多成功因素，分析了天津奶業未來保持產業領先地位必須認真對待的消費需求增長、乳業市場競爭、迎接入世挑戰、產業結構調整、克服自身劣勢、促進跨越發展的六大背景因素，提出了天津奶業新一輪發展瞄準優質生產無抗化、區域布局合理化、品牌整合核心化、行業滲透多角化、產品開發多樣化、高點對接國際化、市場避強導向化的目標定位和以原料、基地為基礎、以資源整合和市場調整為手段、以行業滲透和產品開發為支撐、以專業化、產業化、集團化、規模化、國際化的發展道路為方向，以國際乳品企業的發展為模式，以「創造一流品牌、跨入乳業十強」為目標的天津奶業發展思路，以及天津奶業二十一世紀前十年和前二十年兩大階段奶牛養殖的五大奮斗目標和區域布局原則，最後有針對性地提出飼養模式選擇、全流程安全生產、產業化龍頭培育、學生飲用奶推廣、政策扶持等促進天津奶業成長的對策措施。
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