球面

This paper reviews whether forward movement of the posterior corneal surface occurred, changes in posterior corneal power and curvature, changes in posterior corneal astigmatism and tilt, changes in posterior corneal asphericity and BFS after the surgery.

本文综述了准分子激光屈光性手术后角膜后表面是否发生前移改变、角膜后表面屈光力、曲率、散光度、轴度、非球面特性以及最适球面等是否发生改变的研究进展。

Compilation of the plane trigonometry and spherical trigonometry book, spherical trigonometry to solve some problems in, and first proposed the introduction of auxiliary angle method to solve the triangle .

编撰了有关平面三角学和球面三角学的著作，解决了球面三角学中的若干难题，并首先提出引进辅助角的方法解三角形。

Compilation of the plane trigonometry and spherical trigonometry book, spherical trigonometry to solve some problems in, and first proposed the method to solve the introduction of auxiliary angle triangles .

编撰了有关平面三角学和球面三角学的著作，解决了球面三角学中的若干难题，并首先提出引进辅助角的方法解三角形。

We supply in various kinds of mineral lens, CR-39 lens, middle index and hi-index hard resin lens single vision, bifocal or progressive, in traditional spherical or new spherical design.

我们供应各种矿物晶体，铬- 39镜头，中间指数及高科技指数硬树脂镜片的单一视野，双部位或进步，在传统的球面或新的非球面设计。

Through evolving technology ABBA developed four Aspheric Multifocals, three Translating Bifocals and a hybrid aspheric translating bifocal.

通过不断的技术开发4利群非球面Multifocals，三个翻译双光眼镜和混合双焦非球面翻译。

Secondly, taking the constraint curve of spherical R-R binary as the unique element, kinematic synthesis for spherical mechanism is discussed.

其次，以球面机构R-R二副杆的约束曲线为综合要素，表述了球面机构综合理论与方法。

Introduce the image transformation method in Clarendon Laboratory of Oxford University and in Resources Institute of China Mining University.

定义了正向转换和逆向转换的球面离散格网影像转换方法，实现了影像到球面离散格网的正向转换。

According to the requirement of the high precision aspheric surface manufacturing and measurement, we design and realize a high precision manufacturing and measurement system with the technology of error compensation.

根据高精度非球面制造及测量的需求，设计并实现了高精度非球面制造及测量系统的控制软件。

By a concave spherical mirror and the mirror curvature center is located in a very close parallel plate of non-spherical corrections boards.

由一个凹球面反射镜和位于反射镜曲率中心的一块很接近平行平板的非球面改正板组成。

In this paper four non-spherical surface types have been chose, ellipsoid surface, parabolic surface, pointed arch surface and conical surface. Base on the best fineness ratio, four surfaces are modeled, and their properties are analyzed in detail.

本文选择椭球面、抛物面、尖拱面、圆锥面这四种非球面面型整流罩，在基于整流罩最优的长径比的基础下，对各种情况分别进行建模，并对其光学性能进行了详细分析。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。