curvature 中文意思是什麼
curvature
解釋
n. 名詞 1. 彎曲（部分）。2. 【數學】曲率，曲度。
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They accommodate by greatly changing the curvature of the cornea.
它們由大大地改變角膜曲率的方法來調節。 -
The quantities baβ are the covariant components of a plane tensor, called the curvature tensor of the surface.
ba是「平面張量」的協變分量，叫做該曲面的曲率張量。 -
In this paper, we give a brief introduction to the helfrich elastic theory. to solve the helfrich equation under the physical conditions of vesicles, a taylor series method is introduced, which offers a unified method to reproduce the exact solution including the famous axisymmetrical constant - curvature surfaces and the biconcave shape solution
本文在簡要介紹了helfrich的彈性理論及膜方程的基礎上，開創性地引入taylor級數法，在軸對稱膜的邊界條件下，對helfrich膜方程以taylor級數法求解，統一地得到了目前已知的兩個特解：常平均曲率曲面和紅血球形狀解。 -
The effect of the support at the crest introduces in particular an inversion of the normal curvature of a free cantilever in free deformation.
特別是壩頂支承作用使一個自由懸臂梁的變形曲線。 -
Conclusion the major cause of malposition of transpedicular screw internal fixation were mutation of and ambiguity of opography induced by spinal congenital malformation, cataplasia, fracture, lumbar olisthe or lateral curvature ; neglect of individuality and poor accuracy in implanting pedicle screw and inadequate understanding of biomechanics of spine about paracentesis
結論脊柱先天畸形、退變、骨折、腰椎滑脫或脊柱側凸等病變導致椎弓根局部解剖變異或不易辨認，術者未注意個體化、穿刺精度不高以及對經椎弓根穿刺時脊柱生物力學變化理解不夠是置釘位置不佳的主要原因。 -
2 ） this paper research mainly the influence of the cluster satellite circumnavigation 、 earth - rotation 、 satellite attitude to the baseline variation and the speed measurement accuracy, and give the correcting mathematical formula and the relative curvature
2 ） 、著重分析分散式衛星sar系統中衛星環繞、地球自轉、衛星姿態對基線、測速精度的影響，並繪出了相應的數學模型及關系曲線。 -
The paper studies the surface geometry of globoidal indexing cam by applying the theory of conjugate surfaces and the method of coordinate transformation, presents the equations related to the main inducement curvature of the cam profiles, analysis and deduces the equations of two circumscription curves, which judge if the conjugate surface could mesh properly. some calculate examples and conclusion are given. the surface equation of the globoidal cam and conjugate equation are established
論文首先在分析空間嚙合原理基礎上，採用坐標變換法推導出弧面分度凸輪的工作廓面方程、嚙合方程和壓力角計算公式，對弧面分度凸輪的嚙合特性進行了深入的分析和研究，對判斷曲面能否正確嚙合的依據如兩類界限線方程以及誘導主曲率等進行推導，並給出算例。 -
The curvature of the film is concentric with the mirror behind the meniscus.
膠片的曲率是和彎月透鏡後面的反射鏡同心的。 -
Nasal endoscopy allows demonstration of structures that are difficult to visualize. the region of the middle meatus is examined carefully, and presence of paradoxical curvature or concha bullosa is noted
鼻內窺鏡能顯示鼻腔內肉眼無法看到的結構，可以仔細的檢查中鼻道區域和顯示異常的彎曲和泡性鼻甲。 -
Further more, this algorithm also provides the criterion distinguishing edge inflexion and sleek curve section and the method computing inaccurately curvature radius and approximate perimeter. the paper also introduces the use method with cell edge hollow repairing and overlap or conglutination cell segmentation. for example, this algorithm has proved high - speed and has a good effect of cell segmentation on more than twenty groups of conglutinate and absent cells which are gathered from three kinds of cells
同時給出了利用這些參數判別邊界角點，邊界光滑段的判據，以及估算曲率半徑，等效周長的方法;最後，以細胞邊界凹陷的修補和重疊細胞粘連的分割為例驗證了演算法的可行性，該演算法在採集到的30餘組粘連和缺損細胞上進行了驗證，結果表明，該演算法處理速度快，分割效果良好。 -
The relation of radius of curvature and error as well as formulas of increasing parameters on condition of constant error are diverted. the equation of the line on the center of approximate circular arc is obtained ， and it can avoids the trouble that numerical solution owns possibility of no convergence and simplifies node calculation of non - circular curve
導出了曲率半徑與逼近誤差之間的關系和等誤差條件下的參數遞推公式，建立了通過逼近圓弧圓心的直線方程和圓心坐標計算公式.按這種方法用圓弧逼近平面參數曲線，不需要求解非線性方程組，避免了計算可能不收斂的麻煩，簡化了非圓曲線的節點計算過程 -
The inferior and lateral convex border of the stomach is the greater curvature.
胃的下方及側面凸緣是胃大彎。 -
Such curvature has no effect on wettability.
這種曲度對潤濕性並無影響。 -
The indifference curve had no curvature at all.
無差異曲線根本沒有彎度。 -
Roundness depends on the sharpness or radius of curvature of the edges.
渾圓度取決于邊角的銳度或曲率半徑。 -
It is now necessary to introduce a sign convention for radii of curvature.
現在必須介紹曲率半徑的正負號規則。 -
Both of the new treatments use electrical stimulation to correct the curvature.
兩種新的療法都是利用電刺激來矯正脊柱。 -
Based on the diopter status of myopia and hypermetropia, the paper presented the principle of excimer laser refractive surgery, the change of impacting cornea curvature on the cornea diopter. in this chapter, we also discussed excimer laser - corneal tissue interactions and photoablation. determine the relationship between the fluence of arf excimer laser and the cornea ablation rate, attain the relationship between the energy density and the ablation depth
研究了激光與生物組織相互作用、光蝕作用及準分子激光消融角膜的機理；首次定量研究193nm準分子激光高斯光束的切削量與能量密度的關系，計算單個激光脈沖角膜切削量；發現了角膜曲率對切削效果的影響，首次提出了角膜曲率半徑、切削位置與切削深度的關系；首次定量確定了激光光斑參數及其排列方式對術后角膜表面粗糙度的影響，為更精確實現角膜切削和提高切削后角膜表面光潔度、減少手術后角膜渾濁及角膜表面術后不規則提供了理論依據。 -
So far, the main frame of the conjugation of betrand are established, on the basis of which, it is given that the primary condition the directrix line must be satisfied, the relative curvature of the conjugating surfaces, the relations between non - interventional condition and curvature axle of the directrix line, and so on. the transmission of normal circular - arc gear is a typical bertrand conjugation. in order to promote the transformation from theory to technology, the general principle of this kind of transmission is studied
為了使研究更加貼近於工程，便於解析處理，提出準面的概念，並確立由準面到準線的研究路線，給出了各種傳動形式下準面與準線的具體特徵，證明了共軛準面上兩準線的誘導測地曲率等於零的這一不干涉條件，進而指出，當準面為平行軸和相交軸傳動的節曲面時，不干涉條件自然滿足。 -
Einstein theory of relativity told us that mass and energy determine the geometry of spacetime and any curvature of this spacetime shows itself as the gravitational force
愛因斯坦的相對論提出，質量和能量決定時空的幾何形狀，而時空的彎曲率則以引力的形式表達出來。
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