多层

According to the characters of debris flow and risk controlling condition in mountain towns, The concentric circle theory of geography is introduced in this paper, The concentric circle model for debris risk control in mountain towns is discussed and the effect of "concentric circle model" in hazard risk control is analyzed.

针对山区城镇泥石流危害特征及风险控制现状，引入地理学中的同心圆理论，探讨了山区城镇泥石流风险控制的"同心圆模式"，分析了"同心圆模式"中各风险控制层对灾害风险的控制机制及效应，提出城镇泥石流风险控制应遵循多层防范、逐级降低的思路，研究可为山区城镇的减灾管理提供合理的参考。

A new method for the generation of curvilinear grid has been proposed. Some curvilinear grid generation examples show that satisfactory grids can be generated for simple-connected regions and connected- regions with complex boundary by using the proposed adjusting factors.

3提出了一种生成边界处正交曲线网格的新方法，收敛速度快，在复杂边界流场区域的数值计算中，有很大的实用价值；为了克服复杂几何边界给数值计算带来的困难，提高通用性以及水流的预测精度，本文采用上述网格生成技术，在直角坐标系三维非恒定明渠紊流的沿层积分数值模型基础上，发展了曲线坐标系下的多层紊流水动力模型。

We have calculated the epitaxial growth of CoPt alloy films on a Pt buffer layer.

而且可以作为缓冲层或底电极外延生长其他的薄膜材料及多层结构。

After UV irradiation and the decomposition of diazonium group, the films' linkage between layers was converted to covalent bond and the stability of the films was improved greatly.

根据重氮基团还可以与聚负离子形成静电作用力的特点，分别在水和有机介质中，自组装形成了多层复合超薄膜，膜的层间作用力既有离子键又含有氢键，并且在紫外光照射下，两种作用力都转化为稳定的共价键。

Delamination and abrasive wear is the major form of the damage mechanism of coating.

多层膜的损伤主要表现为剥层和磨粒磨损形式。

The epidermis is made up of several overlapping layers of skin cells.

表皮组织是由皮肤细胞的多层搭接层构成。

Measuring the scapula glenoid version angle with thick MPR of MSCT is simple and fast.

多层螺旋CT厚层MPR测量肩胛盂扭转角简单、快捷。

A device and method for preparing compound nano fiber endless tow, which contains feeding material liquid to pair of electric spinning nozzle on frame, each nozzle respectively applied with high dc voltage with opposite polarity, each pair of nozzle jetting out nano fiber with opposite electric charge, said nano fiber attracting and colliding each other to form compound nano fiber, then forming nano fiber endless tow after drawing and stretching, the first opposite set pair of electric spinning nozzle jetted compound nano fiber endless tow is stretched down and used as acceptor which covered by the nano fiber jetted by second pair of nozzle an d forming two layers of compound nano fiber endless tow after drawing and stretching, in turn to get multilayer compound nano fiber endless tow after drawing and stretching by godet roller.

复合纳米纤维长丝束制备装置及其制备方法是一种简单、高效电纺制备纳米纤维长丝束的方法，其步骤为将料液输送给支架(3)上的电纺喷头对(1)；喷口相向的电纺喷头对(1)的每个喷头分别施加相反极性的直流高电压；每对相向喷口喷出分别带相反电荷的纳米纤维，并在空中相互吸引、碰撞形成复合纳米纤维，经牵引、拉伸后形成复合纳米纤维长丝束；第一对相向放置的电纺喷头纺丝形成的复合纳米纤维长丝束向下拉伸，并作为接受体与第二对电纺喷头喷出的分别带相反电荷并相互吸引的纳米纤维在空中相遇，被第二对电纺喷头喷出的纳米纤维包裹，经牵引、拉伸后形成两层复合纳米纤维长丝束；依次类推，最后经导丝辊对(2)牵引、拉伸后得到多层复合纳米纤维长丝束。

It is a new form of energy dissipation which is based on the theory and method of the multi-submerged jets in hydromechanics and it is the development of the hydraulic jump dissipation .

多股多层水平淹没射流消能既是传统水跃消能形式向复杂空间三元水跃消能形式的发展，也沿袭了流体力学中关于多股淹没射流研究的一些思想和方法，可以说是一种新型的泄洪消能方式。

In the program, user can choose multiple hidden layers and ten transfer functions for neuron including Linear transfer function, Sigmoid transfer function, Hyperbolic Tangent transfer function, Gaussian transfer function, etc. The capability of the program is better than that of program developed by our laboratory before.

本研究所开发之前馈式类神经网路视窗程式，在结构上可以选择多层的隐藏层，且转换函数有线性函数、S形函数、双曲正切函数、高斯函数等十种可做选择，比实验室开发的前一个版本，在功能上又提升了不少。

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