漸近圓 的英文怎麼說
中文拼音 [jiānjìnyuán]
漸近圓
英文
asymptote circle-
Leaves leathery, oblong - elliptic, rarely ovate - elliptic, 7 - 18 cm long and 3. 5 - 8. 5 cm wide, apex abruptly short acuminate or short acuminate, base cuneate, broadly cuneate or obtuse, adaxially dark green and glossy ; petioles without stipular scars
葉革質，長圓狀橢圓形，倒卵狀橢圓形，長7 - 18厘米，寬3 . 5 - 8 . 5厘米，先端驟狹，短漸尖或漸尖，基部楔形、闊楔形或近圓鈍，葉面深綠色，有光澤；葉柄上無托葉痕。Leaves papery, oval in outline, 6 - 7cm long and 8 - 11 cm wide, base rounded or subtruncate, trilobed or sometimes 5 - lobed ; lobes triangular - ovate, rarely ovate - oblong, apex acute or acuminate, margin serrulate, with appressed acute teeth, sometimes entire near base, glabrous or with tufted hairs at vein axils abaxially ; petiole 2 - 3 cm long, glabrous
葉紙質，輪廓闊卵形，長6 - 7厘米，寬8 - 11厘米，基部圓或近截平， 3裂或有時5裂，裂片三角狀卵形，有時卵狀長圓形，頂端漸尖，邊緣有疏而銳利地鋸齒，有時近基部全緣，兩面無毛或下面脈腋有簇毛；葉柄長2 - 3厘米，無毛。Asymptotic behavior of solutions to dissipative nonlinear evolution equations with ellipticity
具有橢圓性質的耗散非線性發展方程組解的漸近行為In this way the areas of the polygons thus formed gradually approach to the area of the circle, the difference diminishing step by step.
按這種方法，這樣形成的多邊形的面積逐漸趨近於圓的面積，兩者的差別一步步地縮小。With the development of coastal and offshore engineering, the local scour problems are paid more and more attention. however scour in the vicinity of large scale structures founded on seabed have caused destruction to the foundations since the problems have n ' t been studied extensively. based on the principles of local scour around seabed founded large diameter cylinders caused by both waves and currents, the flow and scour processes are investigated in this paper after summarizing and consulting lots of papers and researches existing currently
隨著近海及海岸工程的不斷發展，近海及海岸工程建築物基底附近的局部沖刷問題也逐漸引起關注、重視與研究，但是對波流共同作用下海床上直立大直徑圓柱建築物周圍的局部沖刷研究較少，因而使得坐落在海床上大尺度建築物基底常常受到沖刷而致使基礎受到破壞。Existence and asymptotic bahavior of explosive solutions for nonlinear elliptic problems with convection terms
帶對流項的非線性橢圓型問題爆炸解的存在性與漸近行為A class of nonlinear singularly perturbed elliptical problems with boundary perturbation are considered. the uniform valid of the constructed asymptotic expansion is proved
摘要研究了一類具有邊界攝動的非線性奇攝動橢圓型問題。並證明了邊值問題解的漸近展開的一致有效性。In the third chapter, we introduce geometric expansion of convex planar curves. we discuss the evolution equation using minkowski ' s support function with the speed function of curvature and show that the shapes of curves become round asymptotically when the initial closed curves is smooth and convex
限制曲線在外法向上的演化速度是另一類特殊的曲率函數，研究相應的方程，我們得到了在初始為凸的閉簡單光滑曲線的條件下，曲線的最後形狀是漸近地趨於一個圓。Inside the disk, the gas slowly works its way down to the stellar surface in a tight, spiraling motion like a whirlpool
在圓盤內部，氣體逐漸產生類似漩渦般密實的螺旋形運動，直到接近星體表面為止。They are available for viewing at over the next seven months, the orbiter will " aerobrake, " dipping into mars " atmosphere and gradually changing its elliptical orbit into a near - circle about 185 miles above the planet ' s surface
在以後的7個月內， mro將緩慢沉入火星大氣層，並漸漸由橢圓形軌道過渡到距火星表面約185英里300公里的近圓軌道。The product theorem of asymptotic expansions of the energy integral for elliptic partial differential equations
橢圓型方程能量積分漸近展開的乘積定理Asymptotic series solution of the characteristic equation of corrugated circular waveguide
波紋圓波導特徵值的漸近解In the study of the lagrange stability of impact motion, we give some conditions of the bouncing solution of the asymptotically linear equation which is bounded or unbounded. outside of a large disc, using the symplectic transformation of the hamilton system to estimate the iteration of the successor map. applying the moser ' s small twist theorem, we get the invariant curves and then give the proof of the bouncing solutions which is bounded
在碰撞運動的lagrange穩定性的討論中，給出了漸近線性方程碰撞解有界或無界的條件，在充分大的圓盤外，通過hamilton系統的辛坐標變換的角度平均來估計后繼映射的迭代，應用moser小扭轉定理得到不變曲線從而給出在一定條件下碰撞解有界的證明，碰撞解無界性的證明將採用直接估計后繼映射的方法給出。Especially, when the isocline of x is monotone decreasing in 0 < x < 1, the svstem has no limit cycle and is globally stable ; next, we construct a saddle bifurcation at the boundary equilibrium and a degenerated bogdanov - takens bifurcation at the interior equilibrium by choosing appropriate parameter values in the following two sections, where our work are based on the theory of central manifolds and normal torms. we prove that is a codimention 3 focus - type equilibrium. system ( 6. 1 ) will have two limit cycles at some appropriate bifurcation parameter values, and have homoclinic or double - homoclinic orbits at some other appropriate bifurcation parameter values ; at last, we study the qualitative properties of the system at infinite in the poincare sphere
因為系統在（ 0 ， 0 ）點處沒有定義，這給研究其在（ 0 ， 0 ）附近的動力學性質帶來了困難，我們應用文獻[ 17 ]中關于研究非線性方程奇點的系列理論和方法，圓滿解決了這一問題，給出了第一象限內當t +或t -時，在全參數狀態下系統的軌線趨于（ 0 ， 0 ）點的所有可能情況，其相圖也得以描繪；並且，系統不存在極限環的幾個充分條件我們也予以列出，當x的等傾線在0 x 1范圍內遞減時，系統不存在極限環，全局漸近穩定；然後，我們以中心流形定理和正規型方法為主要工具，巧妙選擇參數，分別構造了一個余維2的鞍點分岔和一個余維3退化bogdanov - takens分岔，證明了平衡點是余維3的焦點型平衡點，存在參數， m ，的值使得系統（ 6 . 1 ）有兩個極限環，還存在參數， m ，的另外值使得系統（ 6 . 1 ）有同宿軌或雙同宿軌。Oscillatory and asymptotics for certain second order elliptic differential equations
某些二階橢圓型方程的振動性和漸近性Her quick mind grew in contact with his, and her warm, rich voice lost its country speech and unconsciously adopted his cultured accents
她伶俐的芳心逐漸和他的心貼近，她溫柔圓潤的噪子沒有了鄉土語言，不知不覺地採用他那種有教養的語調。With kompasu moving closer to hong kong and winds strengthening, the strong wind signal no. 3 was issued at 5. 15 a. m. on 16 july. showers set in as hong kong began to come under the influence of kompasu s spiral rainbands
隨著圓規逼近，香港風勢逐漸增強，天文臺於七月十六日上午5時15分發出三號強風信號，圓規的螺旋雨帶亦開始為香港帶來驟雨。分享友人