無正負數 的英文怎麼說

中文拼音 [wúzhēngfùshǔ]
無正負數 英文
unsigned
  • 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...
  • 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...
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 負數 : negative number; negative; minus
  1. The safety of transmission line plays a important role in power system safety it is not only the requirement of ensure supply power reliability, but also the necessary precondition of enhance power system stabilization, to remove faulty line quickly and accurately, also keep non - faulty line continuous work when some transmission line faults current differential protection is a kind of simple, reliable and good - selective protection manner to any variety of transmission lines, power system development needs current differential protection apply to transmission lines, moreover the advancement of electric and communication technology enable current differential protection apply to transmission lines firstly, the paper discusses, analyses the research and application transmission line protection in detail, compare the principle and realistic presupposition of general line pilot protections secondly, because conventional current vector differential protection are influenced easily by load current and transitional resistance, in order to at the same time quicken protection act, the principle and criterion include work characteristic of differential protect based on fault component sampled values are studied, results shows that differential protect based on fault component sampled values excels general vector current differential protection in reliability, sensitivity and anti - saturation of current transformer in addition, synchronous current sampling methods at all terminals of line is analyzed and estimated lastly, the principle and criterion. also device design about current sampling values differential protection based on optical fiber communication, which apply to short transmission lines are concretely investigated,

    基於基爾霍夫定律的電流差動保護無論對於何種形式的輸電線路都是一種簡單、可靠、選擇性強的保護形式，電力系統的發展使得電流差動保護應用於線路保護成為需要，而電子、通信技術的發展使得電流差動保護應用於輸電線路成為可能。首先，本文對目前線路保護的研究和實際應用情況進行了討論和分析，比較了常用線路縱聯保護的實現原理和實現條件及優缺點。其次，針對常規相量電流差動保護易受正常負荷電流和故障過渡電阻影響的缺點，同時為加快差動保護的動作速度，對基於故障分量瞬時采樣值電流差動保護的原理、判據、動作特性等作了討論和分析，結果表明基於故障分量瞬時采樣值電流差動保護在可靠性、靈敏度、抗電流互感器飽和方面明顯優于常規相量電流差動保護，對電流差動保護各端的同步采樣方法和數據通信也進行了分析和評價。
  2. The pulses can be broadening and become negatively chirped while propagating in anomalous dispersive media. in normal dispersive media, the pulses can be broadening, positively or negatively chirped, or even the dispersion - free propagation can be achieved, if the beam and material parameters are suitably chosen

    在負色散介質中傳輸時，脈沖會變寬、帶有負惆啾:而在正色散介質中傳輸時，脈沖會變寬、帶有正惆啾或負叨嗽，當光束和色散參數滿足一定條件時能實現「無衍射無色散」傳輸。
  3. This paper describes mainly system functions, measuring methods, circuit design, software program and errors analysis of a new type of measuring instrument. this instrument can measure and monitor electric parameters in single - phase circuits, three - phase ( three - wire or four - wire ) circuits. this system can be applied to electric devices and power plants, transformer substations with harmonic pollution. it can measure current, voltage, power, energy, frequence, power factor etc. it also can detect load quality, phase sequence, alarm, display and print results, as well as detect and dispose negative power

    該儀器適用於含有諧波污染情況下的機電設備現場、發電廠、供電局、企業變電所現場，可用來測量電流、電壓、有功功率、無功功率、視在功率、有功電能、無功電能、視在電能以及頻率和功率因數等電參數，並具有負載性質（感性、容性）判別，正、逆相序判別指示功能；超限報警功能；列印記錄功能和負功檢測及處理功能。
  4. The main work and conclusion for this paper is as following : according to the flashover test results of several kinds of iced insulators under positive voltage and negative voltage, this paper obtained : for the single porcelain insulator, the single glass insulator and the composite insulator bridged completely by icicle, the metal cathode ' s strong ability of emission electron is the primary reason that results in the lower negative flashover voltage ; the position difference of the high resistance district in method anode side results in that porcelain insulator cluster and glass insulator cluster have an evident effect of polarity ; when less ice and no icicle at the brim of the sheds, due to numerous non - polar arcs on the composite surface, the effects of polarity of composite insulator was lost using the test method of the average flashover voltage in the freezing period, dc flashover performances were investigated of several insulators with some typical structures and different material

    本文的主要工作和結論如下：在人工氣候室內，根據不同覆冰絕緣子正、負極性下的閃絡試驗結果，得出負極性電弧金屬陰極的強電子發射能力造成了單片瓷、玻璃絕緣子及被冰凌橋接的合成絕緣子有較低負極性冰閃電壓；正極性電弧金屬陽極側產生高電阻區所處位置的差異使得瓷和玻璃絕緣子串具有明顯的極性效應；覆冰較少時，合成絕緣子表面出現數量較多的非極性電弧使合成絕緣子無極性效應。利用覆冰期內平均閃絡電壓的試驗方法，對不同材質和結構的絕緣子在覆冰、低氣壓和污穢共存環境中的直流閃絡特性進行了研究。試驗結果表明，直流平均閃絡電壓隨著海拔的升高、覆冰量的增加以及污穢度的增加而降低，且其特徵指數與絕緣子結構、覆冰量、覆冰狀態、污穢度等有關。
  5. Reduce bloom by cross multiplication of reverses of fortune, from which these supports protected him, and by elimination of all positive values to a negligible negative irrational unreal quantity

    把布盧姆憑借這些證券所避免受到的厄運相乘，併除去一切正數值，將他換算成可忽略的量負量無理性的量和虛量。
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    在任何情況下，無論是根據擔保合同侵權行為或其它任何法律理論，也無論hp是否被告知有此類損害的可能性， hp及其提供商或此站點中提到的其它第三方均不對由於此站點鏈接到此站點的任何web站點或者包含在任何或所有此類站點中的材料信息或服務的使用無法使用或使用結果而造成的任何損害負責，包括但不限於由利潤損失數據丟失或業務中斷所造成的損害。如果您因使用此站點的材料信息或服務而需要維護修理或校正設備或數據，請自行負擔因此而產生的所有費用。
  7. 6. since the error in both the meteorological parameters and cooling load prediction is unavoidable, the online correction of prediction and offline optimization results is needed

    無論是氣象參數預測，還是冷負荷的預測總難免出現偏差，這就需要對短期預測和離線優化結果進行在線修正。
  8. Standard ieee floating point has other oddities that you need to be prepared for, such as positive and negative infinities, and negative zero as well as positive zero

    ） 。您還需要知道標準ieee浮點數的其他特殊定義，比如正無窮大和負無窮大，負零（還有正零） 。
  9. Gets the invalid number that is a positive infinity, a negative infinity, or not - a - number

    獲取無效數字，它可以是正無窮大、負無窮大或非數字（ nan ） 。
  10. The variational trait of the first temporal coefficient is that the coefficient is often positive in 1960s, often negative in 1970s, the break point often happen in 1960s and 1970s, especialy 1970s ; the fluctuate of the second temporal coefficient of year. spring and autumn appears little change, but appears much change of summer and winter, the break point often happen in 1980s and 1990s, specially 1980s ; the change trend of the third temporal coefficient is not obvious during 1961 to 2000, only appears clear raise in the anaphase 1990s ; it is difficult to detail the positive and negative trend of the fourth temporal coefficient, the situation of the coefficient appears alternant change of positive value and negative value, the break points happen concentratively in 1990s, the situation of the fifth temporal coefficient is like the fourth ' s ; the alternate of positive value and negative value of the sixth temporal coefficient is obvious, then the negative trend take advantage after 1990s, the distribution of the break point is even, but most of them still in 1990s ; the break points happen many times, but it is limited that the break points attain 0. 05 significance test

    第一時間系數變化大體有如下特點：對年和季節來說， 60年代系數多表現為正值， 70年代多表現為負值，突變點多發生於60 、 70年代，特別是60年代；第二時間系數在年、春季、秋季表現為波動很小，夏季和冬季則很大，突變點多發生於80 、 90年代，特別是80年代；第三時間系數正負變化趨勢不明顯，只是90年代後期在年和夏季降水中升高明顯；第四時間系數基本無明顯正負趨勢可言，只是正負交替出現，突變點集中出現在90年代；同第四時間系數相似，第五時間系數亦無明顯正負趨勢，突變點多出現在90年代；第六時間系數正負交替明顯，進入叨年代后負趨勢為主，突變點分佈較均勻，但仍以904atvjz多；突變點出良多，但突變區域艾擇no 05 ggrr著性以上的卻有限。
  11. The information contained in this web site may not be exhaustive and epd welcome any comments, suggestions, corrections and questions, not limited to feedback data, and epd shall be free to use the ideas, feedback data, concepts, know - how and techniques contained therein, and to use, reproduce, disclose, exhibit, display and or distribute the feedback to others without limitation and without obligation

    本網站所載的資料或有不詳盡之處，歡迎各界就所載數據提出意見，也可就其他方面提出意見建議更正和問題。環保署有權使用所載的想法數據概念知識和技術，並有權使用復制披露展示張貼及或向其他人分發所收到的意見，不受任何限制，亦無須負責。
  12. The precipitation of the west of china is relative less in 1960s for year and seasons, relative to 1960s, the precipitation of 1990s appears rel

    檢驗標準；就場與序列的相關點數來說，無論何時段，二都是正相關的點數多於負相關的點數。
  13. Dividing a floating - point value by zero results in either positive infinity, negative infinity, or not a number, according to the rules of ieee arithmetic

    根據ieee演算法的規則，將浮點值除以零會產生正無窮、負無窮或「不是數字」 （ nan ） 。
  14. The div operator performs floating - point division, the mod operator returns the remainder from a truncating division. the floor function returns the largest closest to positive infinity number that is not greater than the argument and that is an integer. the ceiling function returns the smallest closest to negative infinity number that is not less than the argument and that is an integer

    Div運算符做浮點除法運算， mod運算符做求余運算， floor函數返回不大於參數的最大整數趨近於正無窮， ceiling返回不小於參數的最小整數趨近於負無窮
  15. Returns a value indicating whether the specified number evaluates to negative or positive infinity

    返回一個值，該值指示指定數字是計算為負無窮大還是正無窮大。
  16. The exception that is thrown when a floating - point value is positive infinity, negative infinity, or not - a - number

    當浮點值為正無窮大、負無窮大或非數字（ nan ）時引發的異常。
  17. The scale, facility, setup mode and the topper application are increasing, but the network management system still adopts a centralizing structure based on manager / agent model. in the centralizing structure, the network management system can ’ t change with the scale and complexity, which made the system bigger and bigger. all management logic is computing in one workstation, that will occupy too many bandwidth, depress performance and made the workstation become the weakest part, if the workstation overrun or dead, agent can ’ t come back because it must wait manager ’ s command

    目前，我國電信網路正處于高速發展中，網路的規模越來越大，設備種類越來越多，組網方式越來越多樣化，應用越來越復雜，但是網路管理系統仍然普遍採用管理員/代理的集中式管理方法，在集中式網路管理模式中，網管系統不能隨著網路規模和復雜度的變化而變化，致使網管系統越來越龐大;網路管理邏輯全部集中在一個管理工作站中計算，需要佔用大量的帶寬來傳輸設備數據，有效性差，同時管理工作站是系統中最脆弱的部分，一旦管理方超負荷或死機，代理方因為必須等待管理方的指令而無法恢復系統，導致系統崩潰。
  18. In the regression analysis of the data of each province, it reaches a conclusion that human capital investment has an obvious positive correlation to economic growth but in some province of the west area, human capital investment has an absence correlation to economic growth while capital asserts investment has an obvious positive correlation to it, which is due to the little human capital investment, the few human capital deposit, and the persons with ability strictly running off. the paper also proves that most provinces " labour force growth has a negative correlation to economic growth

    在對我國各省數據進行回歸分析中，得出人力資本投資與經濟增長呈顯著正相關，對于西部地區的部分省份來說，由於人力資本投資的絕對數很小，形成的人力資本存量很小，並且這部分省份的人才流失非常嚴重，使得該部分省市的人力資本投資與經濟增長無顯著的相關性，相反，這些西部省份的經濟增長與固定資產的投資具有顯著的相關性；而大部份省份勞動力的增加與經濟增長呈負相關的結論。
  19. Then, based on the summarization and evaluation of the fruits and shortage other scholars made, this paper brings forward the research hypotheses. on the base of fully understanding of various research models of value relevance, this paper chooses the feltham - ohlson model and the balance sheet model as the basic mod els and adjusts the two models to test the value relevance of accounting data of listed a share corporations in china. the research result shows : ( 1 ) in the period from 1996 to 2001 the value relevance of accounting information in china is falling with the implementation and changing of every financial accounting standard ; ( 2 ) when testing listed corporations suffering loss the feltham - ohlson model is invalid ; ( 3 ) compared with 2000, the accounting data of 2001 is n ' t more conservative but more aggressive ; and ( 4 ) this paper ca n ' t judge whether the book value of corporation assets after computing the asset reduction required by " accounting regulation of corporations " is closer to that before computing, and it needs further researching

    在對各種價值相關研究模型充分理解的基礎上，本文有針對性地選擇feltham - ohlson模型和資產負債表模型作為研究的基本模型，並根據所研究的具體問題對模型進行了修正，用以檢驗我國a股上市公司會計數據的價值相關性，研究結論如下： 1 、 1996 2001年我國會計信息的價值相關性沒有隨各項具體會計準則的頒布和變更逐年提高，反而逐年降低； 2 、 feltham - ohlson模型在檢驗虧損上市公司時失效，這可能是我國資本市場中特有因素造成的； 3 、與2000年相比， 2001年會計數據不但沒有更謹慎，反而更「激進」 ； 4 、本文檢驗結果無法判斷計提《企業會計制度》新要求的四項資產減值準備后計算出的企業資產帳面價值是否比未計提資產減值準備計算出的資產帳面價值更接近企業真實的經濟價值，有待今後做進一步的研究。
  20. Responsible for receiving all the materials of insulin ( rm, pm and fg ) and keeping the goods at the right position by category and area, and mark the status, checking the goods entry the warehouse carefully, ensure that all goods are not damaged, with right quantity and clean appearance

    職位描述: .負責胰島素的物料（原料、包裝材料及成品）接收，按類及時地存入正確的存儲區並正確標識來貨狀態；認真接收物料保證物料無破損，數量正確，外觀干凈整潔。
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