derivation 中文意思是什麼

音標 [deri'veiʃən]
derivation 解釋
n. 名詞 1. 引出，導出。
2. 出處，由來，起源。
3. 【語言學】詞源；派生。
4. 衍生；衍生物。

  1. Then h is generated by b. ( 6 ) derfh = adh ( h + fh ) ( addi ) 3vi 1 ), ( 7 ) let gs be the derivation algebra of lie superalgebra 5 on f and charf = 3

    （ 5 ）設，則h由集合b生成（ 6 ）其中h型模李超代數的導子代數的維數為（ 7 ）設g _ s是f上的李超代數s的導子代數
  2. Its derivation involved no approximation.

    它的推導過程不含近似處理。
  3. Based on the effective medium hb resistivity models in laminated or dispersed shaly sands proposed by berg, the general effective medium hb resistivity model in laminated and dispersed shaly sands is established. in the derivation of the model we assume that clay - bound water fraction is included in total pores, clay - bound water and formation water have the same resistivity, and yet the difference of electrical properties between the two waters is incorporated into clay grain conductivity

    本文首先基於berg提出的層狀泥質或分散泥質砂巖有效介質hb電阻率模型，並在總孔隙中考慮粘土結合水的體積，但不考慮粘土結合水與地層水導電性的差別，而將粘土結合水與地層水的導電性差別歸結到粘土顆粒導電中，建立了混合泥質砂巖有效介質通用hb電阻率模型。
  4. A general estimation of the nth derivation of the function is presented by using the principle of the inductive model and the characters of the bounded functions

    對有界正則函數族中的函數，根據最大模原理和有界函數的系數不等式，得到了n階導數的準確估計式。
  5. This dissection is mainly to discuss the problems of estimating in the derivation of bounded functions, the coefficients of bounded regular functions and schwarz - pick lemma for the derivation on the hyperbolic metric

    本文研究有界正則函數導數和系數的估計問題，以及雙曲度量下關于導數的schwarz - pick不等式。
  6. Every sentence has a canonical derivation.

    每個句子都有一個規范推導。
  7. This paper deriving the theory work inflection point in the static stage characteristics curve of small measurement range linear dimension measurement. by the way of high pressure and back pressure pneumatic measure and designed the parameter of the mainly and measure spray head, which are the key component in the spray head - baffle pneumatic sensor. the different groups for the main - spray head and the measure spray head, will effect the dynamic and static stage characteristic parameter. the author have done contrast experiment and optimization design to test and verify the theory derivation whereby made the rang of show valve of pneumatic measure system measure range up to 40 u m, the sensitivity up to 100mv / u m, resolution up to 0. 05 p m, the uncertainly of measure is less than 0. o2 u m, satisfaction of requirement of groups the carboy hatch thickness size precise measure of soft shims

    對高壓背壓式氣動測量用於小量程線性尺寸測量的靜態特性曲線的理論工作拐點進行了推導，對氣動測量系統中的噴嘴-擋板型氣動傳感器中的關鍵部件? ?主噴嘴和測量噴嘴的參數進行了理論設計，對主噴嘴和測量噴嘴的不同組合，將影響測量系統靜、動態特性指標的噴嘴參數進行了對比實驗和優化設計，並通過實驗驗證了理論推導，從而使氣動測量系統量程的示值范圍達到40 m ，靈敏度達到100mv m ，解析度達到0 . 05 m ，測量不確定度小於0 . 2 m ，滿足了壓縮機缸蓋軟體墊片厚度尺寸精密測量分組的要求。
  8. This paper investigates the cognitive nature and characters of metaphor from the derivation of catchwords in chinese and the phenomenon of generalization

    它在漢語流行詞語的詞義衍生和詞義泛化過程中發揮著積極作用。
  9. Derivation of item characteristic functions and a study of their characteristics

    項目特徵函數的導出及其特徵研究
  10. But in the forepassed research, the people all abstracted the colloid in the water as the sphericity and explained it by the known theory of the colloid chemistry. moreover some people modified the result by the grain coefficient in the derivation of theory. but this assume had more difference on the observed phenomena in the experiment, so it was not perfect in theoretical speaking

    關于絮凝的理論基礎在國外研究得比較多，但在過去的研究中，人們大都是將水中的膠體顆粒抽象為球形，用已有的膠體化學理論去加以解釋，並在理論推導中引入顆粒系數加以修正，這與實際實驗所觀察到的現象有較大的差別，從理論上說，是很不完善的。
  11. [ 29 ] and its consequent derivation. the other is the method applied to generate the hermite - cosh - gaussian ( hchg ) beams

    闡明了程序的結構並給出了各個程序的介面以及介面各參數的物理意義。
  12. Derivation of a formula for calculating the critical radius of a spherical liquid droplet and its analysis

    兩級熱電熱機的有限時間熱力學分析
  13. In digital relay, the percentage of noise will increase rapidly with the increase of sampling rate when derivation calculus is substituted by sampled difference term. to solve this problem, a new method using fragment function integrated with the least square algorithm is proposed in this paper. the influence of white noise is greatly reduced and the accuracy of the dead angle calculation is nicely improved after adopting the new method

    在數字式保護中，如果用差分代替求導將導致噪聲的百分比誤差隨著采樣頻率的提高而劇增，本文對此進行了分析並提出了用分段樣條函數最小二乘法來計算電流波形的導數值，以便在提高采樣率的同時降低噪聲誤差的影響，並將其應用於基於32位浮點dsp的新型變壓器保護裝置。
  14. The evaluation of partial derivation is quite simple.

    偏微商求值十分簡單。
  15. Our derivation lacks rigour in this regard.

    我們的推導在這方面是不嚴格的。
  16. The derivation will not be given.

    求導方法從略。
  17. Our derivation of the chain rule contains one flaw.

    我們推導鏈式法則的過程中有一個漏洞。
  18. There is a logical gap in our derivation of the osmotic pressure.

    我們在推導滲透壓時，有一個邏輯上的破綻。
  19. De wiest criticized jacob's derivation and exposition.

    德維斯特批評了雅各布的推導，且提出了略為不同的解釋。
  20. Previous chapters have dealt with the derivation of systems of difference equations.

    前面幾章已經論述了差分方程組的推導。
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