選擇定則 的英文怎麼說

中文拼音 [xuǎnzháidìng]
選擇定則 英文
selected rule
  • : Ⅰ動詞1. (挑選) select; choose; pick 2. (選舉) elect Ⅱ名詞(挑選出來編在一起的作品) selections; anthology
  • : 擇動詞(挑選) select; pick; choose
  • : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
  • : Ⅰ名詞1 (規范) standard; norm; criterion 2 (規則) regulation; rule; law 3 (姓氏) a surname Ⅱ...
  1. On the base of researching the theory of the scheme and analyzing the signal feature, it is obtained that the existence manners and character of distance information in the differential frequency signal. at the same time, a new conclusion is gained that the technology of frequency agility can decrease the constant error of system. it is also to say that frequency agility and frequency modulation fixed - distance fuze has the similar feature to random period frequency modulation fixed - distance fuze. according to the theory of address coding in the hopping - frequency communication, the paper presents the principle of selecting the frequency agility sequence which fit to the radio fuze and constructs the frequency agility sequence family based on the rs codes

    在深入研究方案原理和分析信號特徵的基礎上,獲得了該體制引信差頻信號中,距離信息的存在形式和特點,得出了頻率捷變技術的引入降低了系統距固誤差這一新的結論,即頻率捷變調頻距引信在距性能上具有類似隨機周期調頻距的特徵。本文引入跳頻通信地址編碼理論,結合無線電引信的具體特徵,提出了適用於無線電引信的頻率捷變序列的,並構造了基於rs碼的寬間隔頻率捷變序列族。
  2. In order to benefit from this new technique without any dangers, on the basis of the arguable contents, the paper put forward a series of principals with the knowledge of systematical philosophy, mathematics and ecological. agriculture : welfare principal, invariable principal of gene, non - spread principal of gene, equal principal of substance and informed perfectible principal. and then we establish a model of evaluating the social effects of gmo

    為了從這種新技術成果中獲得好處,同時又不會帶來風險,本文以爭論的內容為基礎,從轉基因作物能比傳統農作物帶來更多的社會效益的角度出發,運用系統哲學、生態農業和數學的一些知識,提出了轉基因作物研究和推廣中遵循的一系列原:福利原、基因穩性原、基因不擴散原、實質等同性原、以及知情,並進而建立起評價具體的轉基因作物的社會效益的模型。
  3. In chapter two, the basic principles of rempi technique are introduced including the resonance enhanced effect, the selection rule, the mechanism of photoionization and photodissociation, rempi rate equation and the property of rydberg state

    第二章介紹了rempi技術的基本原理,包括多光子共振躍遷的選擇定則、電子態的光解離機理、描述rempi過程的速率方程和分子rydberg態的性質。
  4. The calculation methods of shelters ’ capacity and the discount method of road capacity under the situation of emergency evacuation were given. then, taking emergency evacuation of the beijing 2008 olympic games as an example, we make out the emergency evacuation preplan for olympic games. on the aid of the advanced computer system simulation techniques, using emergency evacuation simulation software to animate the whole process of olympic evacuation for the fist time, and got some key parameters that can provide decision making supports for decision - makers, such as, the whole evacuation time, the average evacuation speed etc. and the simulation results were analyzed

    本文首先分析了我國大城市的交通狀況和突發事件發生狀況,在分析國內外應急疏散研究現狀的基礎上,借鑒國內外應對突發事件應急疏散的經驗和教訓,結合我國大城市突發事件應急疏散的具體特點,提出了大城市突發事件應急疏散研究的總體框架,提出了突發事件應急避難所和應急疏散道路的,給出了應急避難所的容量計算方法和疏散道路在應急狀態下的道路通行能力的折算方法;然後以北京2008年奧運會突發事件的應急疏散為例,制了奧運會突發事件應急疏散預案,藉助先進的計算機系統模擬技術,首次利用應急疏散模擬軟體orems對整個疏散過程進行了模擬,得到了總體疏散時間、平均疏散速度等可以為決策者提供決策支持的關鍵參數,並對模擬結果作了分析。
  5. Forbidden transitions are those for which dipole radiative transitions are not allowed by the selection rules.

    禁戒躍遷指的是選擇定則所不容許的偶極輻射躍遷。
  6. On the one hand, the author discusses markowitz ' s mean - variance portfolio selection model, single - index portfolio selection model, and simplified model of optimal portfolio selection. at the same time, based on the rules of optimal portfolio selection and other risk - metric indices, the author also discusses mean - absolute deviation model, mean - semivariance model and mean - value at risk model. on the other hand, the author discusses the asset pricing model, including the capital asset pricing model ( capm ), the multi - factor asset pricing model, and the arbitrage pricing model ( apt )

    一方面,作者討論了馬科維茲的均值-方差資產組合模型、單指數資產組合模型、最優資產組合的簡化模型,同時根據最優資產組合和其他風險度量指標,討論了均值-絕對離差、均值-半方差和均值-風險價值資產組合模型;另一方面,作者討論了資產價模型,包括多因素資產價模型和套利價模型,特別是在四種因素變量的基礎上,探討多因素資產價模型。
  7. If parties to a contract do not expressly or impliedly choose the applicable law, the proper law for the contract should be constructed through the rule of closest connection. this paper states the proper law for various kinds of contracts of carriage of goods by sea based on the rule of closest connection

    但上述所講的是通常情況下的法律,如果從整體情況看,運輸合同與另一個國家的關系更為密切,前面所確的一般推準據法不予適用,而應適用與合同有更密切聯系的國家的法律。
  8. Frequently the absolute intensity is increased since the selection rules are less strict in the condensed phase.

    由於在凝相中,選擇定則是比較不嚴格的,所以絕對強度往往有所增大。
  9. Abstract : some important principles in the design of split box molding are discussed concerning the selection of mold joint , the methods of location and the design of gating system. it has been proved in production that the principles discussed had great effects on the cost and quality of castings

    文摘:以床身為例,討論了劈箱造型工藝設計中的幾個重要原:包括分型面的位方法、分芯方法及澆注系統設計等;生產實踐證明,這些原對鑄件生產成本和品質有重要的影響。
  10. So the selection rule of no is analogous to that of alkali atom and different from the usual diatom molecule. the conclusion is further affirmed by the two photon fl uorescence excitation spectrum of no

    為此我們利用雙光子熒光激發光譜技術對no分子所表現出的與普通雙原子分子不同的躍遷選擇定則進行了實驗驗證。
  11. Refrigerating systems and heat pumps. safety and environmental requirements. part 1 : basic requirements, definitions, classification and selection criteria

    製冷系統和熱泵.安全和環境要求.第1部分:基本要求義分類和
  12. Refrigerating systems and heat pumps - safety and environmental requirements - part 1 : basic requirements, definitions, classification and selection criteria

    製冷系統和熱泵.安全和環境要求.第1部分:基本要求義分類和
  13. Defines identifiers that are used to indicate selection rules for a component

    義用於指示組件的的標識符。
  14. The experimental results show that the transition from no ground state to the resonant intermediate state follows special selection rule. the main reason for the special selection rule of no is that the most excited states ( including the a2 +, f2, h 2, c2, d2, e2 ) are ryderberg type and the ground state configuration of no is sufficiently appreciated by that of an alkali atom

    我們所研究的上述no分子的激發態都屬于里德堡態,其性質與堿金屬原子類似,而no分子的基電子態最外層價電子運動與堿金屬原子d軌道電子運動類似,它遵循堿金屬原子的雙光子與4光子吸收躍遷選擇定則
  15. According to the dipole transition selection rule, it allows the system to transit from the ground state to the first and second sub - band respectively, the shape of the photoionization cross - section varying with the photon energy in the two cases is quite different

    根據偶極躍遷的選擇定則,將使得體系從基態分別躍遷到電子的第一子帶和第二子帶,二者的光電離截面隨光子能量的變化截然不同。
  16. We consider two situations : ( i ) the light is polarized along the z - direction, in which case the first allowed dipole transition is to the first subband ( nx - 1, ny = 1 ) ; ( ii ) the light is polarized along the x - direction ( paralleled to the transverse cross - section of the wire ). the first allowed dipole transition is to the second subband nx = 2 relative to the x - direction and to the first subband nr = 1 relative to the y - direction of the wire

    考慮了兩種不同惰況:輻射光沿階線的軸線偏振k方向x輻射光平行於軸截面偏振(設為二方向山偶極躍遷的選擇定則使得體系從初態躍遷到末態分別為電于的第一于帶和第二子帶,二名的光電離0截面隨光于能量的變化截然不同
  17. The relationship between ion signal and laser intensity supports above conclusion also. at the same time, the optimum pressure is determined from the ion signal versus pressure. based on the experiment, the molecule constants about no resonant intermediate states are calculated

    在此基礎上,對于no分子在2 + 2和4 + 1離化過程中所表現出的不同於普通雙原子分子的躍遷選擇定則進行了較為細致的分析討論。
  18. In chapter four the effects of a static electric field and different initial states on hhg are studied. under an additional electric field the spectrum exhibits a double - plateau structure. furthermore, the ionization probability and hhg also behave differently when the hydrogen atom is in different initial states

    在第四章中,我們研究了外加平行靜電場以及初態的不同對電離率和高次諧波的影響,發現附加一適當的靜電場會使諧波曲線呈現一雙平臺結構,電離率會隨著電場強度的增大而增大;當氫原子在初始時刻處于不同態時,根據選擇定則,諧波曲線和電離率都會有較大差別。
  19. It is clearly important for us to know what these selection rules are and how they arise.

    對於我們來說,知道這些選擇定則的內容以及它們的產生根源,顯然是很重要的。
  20. A simplified form of

    周環選擇定則的一種簡易形式
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