查询词典 hillside fields

The merit of the invention are: 1 adopting free curved surface imaging method , three part reflection type Zernike polynomial free curved surface forms short focal distance bigger, relative apertures bigger fields of view angle imaging , rectifying optical aberration much better and its structure is simple; 2 adopting the reflection structure without optical lens, has removed the effect of various chromatic aberration , guarantee the imaging articulation; 3 adopt the design of short focal distance big fields of view angle, focal distance 8 - 15 mm, field of view angles 100 -135 degree, having 120 times multiplications under 250 mm imaging distance, having ultra-thin characteristic property; 4 adopting big relative apertures design ,the relative aperture is 2.0-2.4, having improved the illuminance of flat surface; 5 adopting image space telecentric imaging method , ensures that the image surface irradiance is homogeneous.

本发明的优点是：1采用自由曲面成像方法，三片反射式Zernike多项式自由曲面形成短焦距大相对孔径大视场角成像，更好地校正像差，结构简单；2采用无透镜形式的反射式结构，消除了各种色差影响，保证成像清晰度；3采用短焦距大视场角设计，焦距8～15mm，具有100～135度的视场角，在250mm成像距离下有120倍的放大倍数，具有超薄特性；4采用大相对孔径设计，相对孔径为2.0～2.4，提高像平面上的光照度；5采用像方远心成像方法，保证像面辐照度均匀。

It includes the basic structural theory of groups; groups'actions on sets and the applications of these actions; the basic structures of rings; the properties of uniquely factorized domains; the Chinese Remainder; the extensions of fields; finite fields with applications; the Galois theory with applications.

主要内容包括群的基本结构理论、群在集合上的作用及其应用、环的基本结构和因子分解理论、中国剩余定理、域的扩张理论、有限域及其应用、Galois 理论及其应用。

The expansion coefficients Of aperture fields are Obtained after the three-dimensional arbitrary aperture fields have been represented by the sum of three-dimensional Gaussian function in the configuration-spatial wavenumber phase space.

本文利用Gabor原理把三维任意口面场表示成离散结构－波数相位空间中三维高斯基函数的叠加，将二维高斯基函数与相位空间谱双重正交的函数推广到三维，从而得到口面场展开函数。

One, from the sideroad by a lane which, edged with grassy, flower- decked banks, wound between snake fences, along which straggled irregular clumps of hazel and blue beech, dogwood and thorn bushes, and beyond which stretched on one side fields of grain just heading out this bright June morning, and on the other side a long strip of hay fields of mixed timothy and red clover, generous of colour and perfume, which ran along the snake fence till it came to a potato patch which, in turn, led to an orchard where the lane began to drop down to the Mill valley.

一，从岔路由线而与草地，繁花似锦的银行蛇之间的围墙边的伤口，以及零零落落的淡褐色不规则的团块和蓝色的山毛榉，山茱萸和刺灌木，超越于1粮食侧领域延伸只是标题这项光明日上午，并在另一边的干草领域的混合提摩太和红三叶，颜色和香水，而沿蛇栅栏，直到它来到一个珀泰托帕奇跑慷慨长条形的，反过来，导致其中一个果园里开始下拉到米尔山谷。

They form usually a ring, but some fields may be composed of three matrices aI+bA, aI+cB, aI+dC, and of some special 2-order, even n-order matrices. It is a new type of hypercomplex number fields.

它们一般组成环，但3种矩阵aI+bA，aI+cB，aI+dC及某些特殊的二阶甚至高阶矩阵可以组成域，这是一类新的超复数系。

Making use of seismic data is able to characterize reservoir, and to improve reservoir management during the development of new fields as well as the infilling well and enhanced oil recovery in old fields. Seismic technique has now extended into production phase from exploration phase.

无论是开发新的油气田，还是在老的油田钻加密井、扩边井，乃至提高油气采收率，使用地震资料均能够较完整地刻画油藏的特征，改善油藏管理，为了适应油气田开发和开采的需要，地震技术已从勘探领域延伸到开发领域，正在逐渐形成一门新的学科——开发地震。

Chapter two presents the three-dimensional equations of the nonlinear theory of electroelasticty for large deformations and strong fields and the linear theory of piezoelectricity for infinitesimal deformation and fields.

第二章从连续介质力学理论出发，给出了适于压电研究的普遍的电弹性非线性理论，以及近似的三维线性压电理论和线性压电本构关系。

The electric fields immediately adjacent to power lines are ionizing, which is the genesis of the argument that electric fields are associated with cancer.

电场紧靠电力线路的电离，这是起源的论点，即电场相关的癌症。

Bt cotton and corn may affect natural enemies indirectly by decreasing the population of lepidopteran insects that serve as hosts of parasitoids or predators. Population densities of predators in Bt fields were significantly higher than those in non-Bt fields treated with insecticides for control of target pests.

杀虫剂用量的减少，降低了对天敌的杀伤力，Bt田中捕食性天敌的种类和数量均显著高于常规施药田；但Bt田内靶标害虫数量的减少和质量的降低，在一定程度上影响了寄生性天敌的种类和数量。

With application of plastic limit analysis method using finite element method, stability of high loess slope is analyzed and solved by using linear programming method in this paper. Safety factor and stress fields and velocity fields of slope can be obtained.

本论文采用有限元塑性极限分析法对黄土高边坡进行稳定分析，并运用线性规划的方法对稳定问题进行求解，可以得到边坡的稳定安全系数和边坡的应力场及速度场。

Must have Coordination and negotiation skill, flexible ideas, and be punctilious person.

必须具备较好的协调与谈判能力，头脑灵活，工作认真仔细

Result: 18 patients are all with simple eye.The pigment mole lies in nasal and temple sides of the ball conjunctiva,in which 2 lie in lacrimal caruncle and semilunar plica.

结果：18例患者均为单眼，色素痣大多数位于内外侧睑裂部球结膜面，2例位于泪阜及半月皱襞，经激光治疗后，10例色素痣消失，有5例行再次激光后消失，2例行第三次激光后消失，1例第四次激光后消失。