a positive 中文意思是什麼

a positive 解釋
a正
  • a : an 用在以母音音素開始的詞前〉 indefinite art 1 〈普通可數名詞第一次提到時，冠以不定冠詞主要表示類...
  • positive : adj 1 確實的，明確的；確定的；無條件的 （opp qualified implied inferential）; 絕對的，無疑問的，...
  1. A positive analysis of time limit institution of adducing evidence

    舉證時限制度的實證分析
  2. In this thesis, we study some open problems and conjectures about the linear complementarity problem. it consists of the next three aspects : firstly, we study murthys " open problem whether the augmented matrix is a q0 - matrix for an arbitary square matrix a, provide an affirmable answer to this problem, obtain the augmented matrix of a sufficient matrix is a sufficient matrix and prove the graves algorithm can be used to solve linear complementarity problem with bisymmetry po - matrices ; secondly, we study murthys " conjecture about positive semidefinite matrices and provide some sufficient conditions such that a matrix is a positive semidefinite matrix, we also study pang ' s conjecture, obtain two conditions when r0 - matrices and q - matrices are equivelent and some properties about e0 q - matrices ; lastly, we give a counterexample to prove danao ' s conjecture that if a is a po - matrix, a e " a p1 * is false, point out some mistakes of murthys in [ 20 ], obtain when n = 2 or 3, a e " a p1 *, i. e. the condition of theorem 3. 2 of [ 25 ] that a p0 can be deleted and obtain a e " a is an almost e - matrix if a is a co - matrix or column sufficient matrix

    本文分為三個部分，主要研究了線性互補問題的幾個相關的公開問題以及猜想： （ 1 ）研究了murthy等在[ 2 ]中提出的公開問題，即對任意的矩陣a ，其擴充矩陣是否為q _ 0 -矩陣，給出了肯定的回答，得到充分矩陣的擴充矩陣是充分矩陣，並討論了graves演算法，證明了若a是雙對稱的p _ 0 -矩陣時， lcp （ q ， a ）可由graves演算法給出； （ 2 ）研究了murthy等在[ 6 ]中提出關於半正定矩陣的猜想，給出了半正定矩陣的一些充分條件，並研究了pang ~ -猜想，得到了只r _ 0 -矩陣與q -矩陣的二個等價條件，以及e _ 0 q -矩陣的一些性質； （ 3 ）研究了danao在[ 25 ]中提出的danao猜想，即，若a為p _ 0 -矩陣，則，我們給出了反例證明了此猜想當n 4時不成立，指出了murthy等在[ 20 ]中的一些錯誤，得到n = 2 ， 3時，即[ 25 ]中定理3 . 2中a p _ 0的條件可以去掉。
  3. There is a positive observational and theoretical basis for believing that neutron stars and black holes follow as a result of supernovae.

    中子星和黑洞則是超新星的產物，觀測上和理論上的依據使我們相信這一點。
  4. A silicone oil bubbler provides a positive gas pressure head inside the growth tube at all times.

    硅酮油起泡器能始終在生長管內產生一正氣壓位差。
  5. The derived dry bulk modulus must be positive and greater than 2 / 3 of shear modulus to insure a positive lame constant and poisson ' s ratio

    提取的乾燥體變模量必須為正，並且大於剪切模量的2 / 3 ，以保證拉梅常數和泊松比為正。
  6. C is a positive constant, the spring constant.

    C是正的常數，稱為彈性系數。
  7. The conventional tail must be at a negative angle of attack, and the canard tail at a positive angle.

    通常的尾翼必須處于負迎角，而鴨式尾翼則為正迎角。
  8. Real per capita investment spending on plant and equipment also exhibits a positive regression coefficient.

    實際平均廠房與設備支出也具有一個正的回歸導數。
  9. This product is the newest filming technique, the latest achievement of usa electronic magic, it utilizes decomposition principle of electronic material to form a positive negative ions film on the surface of car coating, which has high water repellency and makes the surface of coat has more than 95 % brightness of mirror surface, lt has preeminent performance on weathering resistance, ageing resistance, oxidation resistance static resistance and wear resistance, with the force of charged ions, this product can easy removes the dirt, water drop acid rain and grease on the surface of the film and perennially and effectively protect coat surface, lt is the fourth generation car beauty and protective product which replaces glaze sealing products

    本品屬于當今最新的鍍膜技術，屬美國電子工學魔法的最新成果，它利用電子物質的分解原理，在車漆表面生成持有高撥水性的正負離子覆膜，使漆面光亮度可達鏡面光澤的95 %以上，並具有超強的耐候性、抗老化、防氧化、防靜電、耐磨性極好的功能，它利用電離子的力量，可輕松彈去覆膜表面的污垢、水滴、酸雨、油脂等，平時只需清水沖洗，便可立即使之恢復離子效應，達到長期保護漆面的目的，是取代封釉的第四代汽車美容保護產品。
  10. A positive-stress component means tension.

    正應力分量表示拉力。
  11. Modest loneliness may motivate one ' s activities and thus play a positive role, d ) a questionnaire of the loneliness structure of college students in henan province has been developed in this study and it proves to have high reliability and validity by means of exploratory factor analysis and confirmative factor analysis. implications for future research are discussed

    這與西方學者僅將大學生作為成人被試來研究成人孤獨感（不考慮發展）的視角不同，可以說在成人孤獨感的研究中吸收了西方學者關于兒童青少年孤獨感的研究優點（關注發展問題） ，而這更符合我國大學生發展的實際情況。
  12. Her impulsive passion was a positive defect.

    她的沖動的激情則完完全全是個缺點。
  13. Apart from ossein and elastic fibers, optical radiation on the other organizations entire dermis also have a positive impact

    除了骨膠原和彈性纖維，光學照射對其它整個真皮層的組織也有正面的作用科學家對
  14. One day flora manhood felt her embryonic inspiration ready to convert itself into a positive event.

    一天弗洛拉曼胡德覺得，她所孕育的靈感即將脫胎而出，變成活生生的真實了。
  15. A 47 - year - old man suffered persistent epigastric pain with a positive peritoneal sign after a heavy meal

    胃鏡檢查發現胃體部下段前壁側有一個外來物的壓迫現象。
  16. Linda is such a facer, no matter whom she talks with, she is able to interest them and gain a positive reaction

    林達真是一個場面人物，不管她和誰說話，都能引起對方興趣並使他們做出正面反應。
  17. Powermate ? is a technically universal solution, using a positive field lens to redirect field rays

    是一個在技術上普遍適用的解決辦法，用積極的實地鏡頭轉場射線。
  18. The fur must have a positive charge.

    毛皮必定帶有正電荷。
  19. Sanyo will provide solutions to help sustain a positive co - existence with gaia

    我們所有的創意，都有此誕生。
  20. A positive labour of hercules, i assure you

    我向你保證，這可是真正費了九牛二虎之力哩！
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