正負符號 的英文怎麼說

中文拼音 [zhēngfùfúháo]
正負符號 英文
sign symbol
  • 正 : 正名詞（正月） the first month of the lunar year; the first moon
  • 負 : Ⅰ名詞1 （負擔） burden; load 2 （虧損） loss 3 （失敗） defeat Ⅱ動詞1 [書面語] （背） carry on th...
  • 符 : Ⅰ名詞1 （符節） tally （with two halves made of wood bamboo jade metal issued by a ruler to gener...
  • 號 : 號Ⅰ名1 （名稱） name 2 （別號; 字） assumed name; alternative name3 （商店） business house 4 （...
  • 符號 : 1 （記號; 標記） character; sign; symbol; mark; code; notation; expression; denotation; sentinel ...
  1. The circulation of positive pna index pattern is prominent in the case of persistent forcing of negative ssta in west wind drift region or positive ssta in tropical eastern pacific, which is the typical ssta pattern during el nino peak - mature phase

    西風漂流區持續負ssta時或者熱帶中東太平洋持續正ssta時，阿留申低壓均有所加強，正pna指數型的大氣環流特徵顯著。而當相反符號的ssta持續作用時，大氣中阿留申低壓減弱，對應pna指數為負。
  2. Communities of a signed network are defined as the groups of vertices, within which positive relations are dense and between which negative relations are also dense

    符號網路中的共體是指多個不相交的節點集合，集合內的正關系稠密而集合間負關系稠密。
  3. We propose a combined slf method to extrapolate feeder load growth by using feeder ' s history peak value and the merits of gray theory and genetic programming ( gp ). at first, we adopt load transfer coupling method to correct load history and its error for load transfer. secondly, we get the real power - supply area by using layer overlap analysis, based on practical feeder path and distribution gis map layer

    將gis的空間信息分析功能應用於配網空間負荷預測的研究：綜合利用灰色理論及遺傳規劃（ geneticprogramming ， gp ）的優點，提出了一種根據饋線的歷史峰值負荷進行外推的組合slf法：首先採用負荷耦合回歸法來修正負荷歷史，消除由於負荷轉移引起的誤差；然後根據實際饋線路徑和配網gis圖形分層，運用圖層疊加分析得到饋線的實際供電范圍；接著採用灰色關聯度聚類方法對饋線負荷增長曲線進行聚類分析；最後採用gp來對灰色聚類結果進行符號回歸，分別得到每一類曲線的最佳擬合曲線形式。
  4. How to prove the coefficients of the chromatic polynomial alternate signs

    標題： [圖論] [求證]如何證明色多項式的系數的符號是正負交替的？
  5. Several examples and numerical simulations are shown to illustrate and reinforce our theory. in chapter 3, we firstly give both the definition of the discrete lyapunov functional and the proof of some properties of it for the dde with local positive or negative feedback in the delay term. secondly, we introduce the definition of the global attractor

    A6s藝fae藝在本文的第三章中，首先給出了對於一類時滯微分方程的用改變符號次數來定義的離散lyapunov泛函，並給出了其有關性質的理論證明，進而說明在時滯項具有局部正反饋或者局部負反饋條件下的時滯微分方程這樣定義lyapunov泛函的合理性，這是對前人在時滯項具有全局負反饋或者正反饋條件下的lyapunov泛函的推廣。
  6. The " net balance ", with its appropriate sign, may indicate the direction of expected change in the variable concerned

    凈差額的正負符號反映該項目的預期變動的方向。
  7. The distribution gis data management methods and its application in distribution running are systematically researched, which compose distribution gis network topology analysis ( nta ) and optimal rush - maintain path ( orp ), and distribution planning, which composes distribution spatial load forecasting ( slf ) : ( 1 ) with systematic analysis on the relationship between spatial data model and spatial data structure, the distribution feature and the two common gis data models are analyzed, which are vector and raster data models. then the conceptual and logic data models of distribution gis are designed. the spatial data storage structure is given by using vector method, and their detailed data management methods are proposed

    （ 4 ）將gis的空間信息分析功能應用於配網空間負荷預測（ saptialloadforecasting ， slf ）的研究：綜合利用灰色理論及遺傳規劃的優點，提出了一種根據饋線的歷史峰值負荷進行外推的組合slf法：首先採用負荷轉移耦合法來修正負荷歷史，消除由於負荷轉移引起的誤差；然後根據實際饋線路徑和配網gis圖形分層，運用圖層疊加分析得到饋線的實際供電范圍；接著採用灰色關聯度聚類方法對饋線負荷增長曲線進行聚類分析；最後採用遺傳規劃來對灰色聚類結果進行符號回歸，分別得到每一類曲線的最佳擬合曲線形式。
  8. The results of eof analysis of the rainfall anomaly in sping and respective month over north china indicate : spatial distribution of the first characteristic vecter is consistent in all areas ; the second characteristic vecter which is positive ( negative ) anomaly in north east, and is negative ( positive ) anomaly in south west in april is east west anomaly in each of spring., march and may ; the third characteristic vecter is north south anomaly in march

    華北春季及各月降水量距平場eof分解的結果表明：華北春季及各月降水量的第一特徵向量的空間分佈均為全區一致型；第二特徵向量除4月為東北正（負） 、西南負（正）異常外，春季、 3 、 5月均為東、西區異常符號相反； 3月第三特徵向量為南、北區異常符號相反。
  9. For the image with random field feature, the description language is probability distribution model, and the description length equals the negative base - two logarithm of the probability of the image data ; for the region homogeneity properties of active contour, the description language is chosen as a sign gradient map, and the description length is the summation of sign gradient inside the active contour ; for the active contour regularity, the description language is smoothness, and the corresponding description length is the length of active contour curve

    隨機場圖像的描述語言採用概率分佈模型，描述長度是圍道內外區域中圖像數據概率的以2為底對數的負數；活動圍道區域一致性的描述語言為有符號的梯度圖，描述長度是圍道內區域有符號梯度的總和；圍道形態的描述語言採用平滑性，描述長度正比于圍道的長度。
  10. Note that numeric literals do not include a sign ; a phrase like - 1 is actually an expression composed of the operator - and the literal 1

    注意數值型的字面值不包括符號（譯注:正負號） ，像- 1實際上是個組合了一元運算符" - "和字面值1的表達式
  11. Note that numeric literals do not include a sign ; a phrase like - 1 is actually an expression composed of the unary operator ` - ' and the literal 1

    注意數值型的字面值不包括符號（譯注:正負號） ，像- 1實際上是個組合了一元運算符" - "和字面值1的表達式
  12. The size of the boolean type is not explicitly defined ; it is only specified to be able to take the literal values true or false

    數值類型全都是有符號（正負號）的，所以不必費勁尋找沒有符號的類型。
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