多层

In discussing the properties of reflection and refraction of fiber grating, the coupled-mode equation, envelope function, transform matrix formalism, multilayer and optical path approximation are used for describing the linear and nonlinear characteristic of optical fiber grating.

在分析光栅的反射和透射规律时，采用了耦合模式法，包络函数法，转换矩阵法，多层介质薄膜法以及光程法，这些方法虽然具有不同的数学和物理模型，但在分析光纤光栅这一特殊的波导结构时，可充分展现它的线性和非线性特性。

Then the affect of oxidation on reflectivity is discussed.

分析了薄膜材料氧化程度对多层膜反射特性的影响。

Taking use of the reflectometer which is installed on the 3B1 line in BSRF, two kinds of measurements of reflectivity versus wavelength and reflectivity versus incident angle are carried out.

利用安装在北京同步辐射装置3B1束线上的一台小型反射率计，对磁控溅射方法制备的软X多层膜进行了R～θ、R～λ两种反射率测量，得到实测反射率高达32％的满意结果，同时给出了理论计算对实验的拟合，二者符合的很好。

To reduce such harmful reflection, modern refracting telescope in the optical surfaces are plated with single-layer or multi-layer anti-reflective film.

为减少这种有害的反射，现代的折射望远镜在各光学表面都镀有单层或多层增透膜。

The idea now in vogue is to bring in a developer, let him put up multi-storey buildings, use some of the flats to rehouse those living on the site and sell others at a profit.

目前流行的想法是，找个开发者，让他建多层楼房，部分用于该地居民迁居之用，部分出售赚钱。

Pre-operative multislice CT image evaluation is of great use for prediction of surgical removability in patients with pancreatic carcinoma pre-operatively.

术前用多层螺旋CT对胰腺癌患者进行三维血管重建，可提供可靠的肿瘤和周围血管侵犯情况的影像学资料，对胰腺癌术前可切除性评估有重要的临床意义。

By matching the ML-parameters to an absorption edge of one of the constituent materials,a resonantly enhanced polarisation sensitivity can be achieved.

通过使多层膜参数与构成材料的吸收边相匹配，即可获得共振加强的偏振灵敏度。

［Objective］To evaluate the effect of transepicondylar axis of different position on volume rendering technique measuring the humeral head retroversion angle with multi slice spiral CT.

探讨肱骨远端不同位置内外上髁轴线对多层螺旋CT容积再现三维重建测量肱骨头扭转角的影响。

High-rise department stores are ringed with smaller buildings, many of which are apartment complexes.

有多层的百货公司对较小的建筑物感到有环，许多是公寓复合物。

Interestingly, this internal process does not roughen theinterfaces and keeps modulation structure of the multilayer well.

非晶合金的出现不但没有增加界面粗糙度，还很好地保持了多层膜的调制周期结构。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐