Some patients'oral anatomy is not good, and bring difficult to repair.Before the repair,doctors shoule examine the patients'oral circumstance detailly,do away with the apophysis ,torus and hyperplasia gingival, make the good preparation work.

一些患者口腔解剖條件不好，給修復帶來了極大困難最新在线精品国产福利，在修復之前要詳細檢查口腔情況在线超碰，將骨突、骨刺以及較大的骨隆突手術(shù)去除欧美特黄岛国片免费看，將增生的牙齦組織切除91自拍视频国产精品，作好準備工作。

In chapter 2 we use harmonic 1-forms and discuss the relationship between an almost nonnegatively Ricci curved n-manifold with the first Betti number equal to n and a flat n-torus.

在第二章中我們利用調(diào)和1-形式研究了第一貝蒂數(shù)等于n且Ricci曲率幾乎非負的n維黎曼流形和n維平坦環(huán)面之間的關(guān)系免费黄色片999。

Critical pressures of the cylindrical shells stiffened by rings with semi-torus section and by circular tube are calculated and compared.

在公式推導的過程中2021最新国产理论，考慮了加肋的實際分布情況，并編制了計算程序在线无码观看黄片，對半圓環(huán)界面加肋圓柱殼和圓管加肋圓柱殼的臨界水壓進行了比較尤物视频欧美性爱。

So before applying Mather's theorem of connecting orbits to concrete Hamiltonian system, we have to check whether the set W〓 is empty or not, and which cohomology classes are C-equivalent. In present paper, by investigating the topological structure of action minimizing sets near a co-dimensional one torus which is preserved under generic perturbations and becomes hyperbolic in nearly integrable Hamiltonian system.

與傳統(tǒng)的Poincaré-Melnikov方法相比，我們方法明顯優(yōu)越之處在于全球持级黄毛片免费，一方面我們的方法不僅可以得到雙曲環(huán)面之間的異宿軌道第一中文字幕AV在线，而且當該環(huán)面附近的其它環(huán)面破裂時，可以得到不同Mather集之間的連接軌道久久精品免费福利网，另一方面中文欧美福利，我們把異宿軌的存在性的證明轉(zhuǎn)化為雙曲環(huán)面極小同宿軌的某種弱孤立性的證明，所需條件比Poincaré-Melnikov方法弱得多福利视频免费。

The most important idea is that over the complex numbers, an elliptic curve looks like a torus, and the points of finite order in the group of the curve have a very simple geometric description.

最重要的思想是復數(shù)域上的橢圓曲線是一個環(huán)面亚洲网络在线，曲線簇中的有限階點有簡單的幾何描述。

An analysis of the intersection of torus/sphere based on coordinate transformation

同一點在兩個不同的坐標系中的兩種坐標之間的變換手噜国产。

In chapter 6 and 7, having discussed the description method of the shape of bube-bent part and it's CSG data structure, a 3-D shape description method of using boolean operation by cyclinder and torus primitives is proposed.

第六章和第七章分別探討了管材彎曲件三維描述方法及其CSG數(shù)據(jù)結(jié)構(gòu)99这里只有精品99，提出了采用圓柱體素與圓環(huán)體素，通過適當布爾運算來描述其三維形狀精品国产污污的网站，并實施區(qū)間CSG掃描線和光線跟蹤算法,一级不卡黄色视频免费观看，在微機上實現(xiàn)了管材彎曲件三維濃淡圖形的生成。

The pellet injection and the electron cyclotron resonance heating system have been involved in the China Torus Current Device No.

在中國環(huán)流器一號（HL－1）等離子體物理實驗中小18箩利洗澡无码视频网站，增加了彈丸注入和電子回旋共振加熱系統(tǒng)JIZZ精品国产。

The doughnut-shaped object enclosed by a torus.

被一個圓環(huán)圍起來的多納圈狀的物體。

The stable winding equations of the elbow torus and cylinder are established according to different geometry, and the winding pattern of the geodesics of torus and semi-geodesics of cylinder are also achieved.

根據(jù)微分幾何建立彎管的圓環(huán)面及圓柱面穩(wěn)定纏繞方程什么网站可以免费看A片，給出了圓環(huán)面的測地線纏繞解及圓柱面的半測地線纏繞解日韩AV无码超碰一区二区三区，并提出了用OpenGL及VC++對所設計的線型進行仿真的具體實現(xiàn)辦法。