角形

The carrying idler used on belt machine hanging in the steel wire rope, must fix with simple arch on the steel cable, which is helped for maintaining the grooved angle to be invariable and the base basically in the identical horizontal middle line.

用于挂在钢丝绳带机上的柔性托滚，需与简易弓形架配套固定在钢绳上，利于保持托滚槽形角不变和托滚底部基本在同一水平中心线上。

Its main features are: algae body as a single cell or even into a variety of groups; cell walls composed of silica and pectin, but also by the structure of the shell and the shell under the combined set of the Cheng, vertical section view was "soap-box"-shaped; in the upper and lower shell surface of the shell are patterns arranged in patterns on both sides of the main mode of symmetry and radial symmetry is divided into two categories, for the classification of the most important basis; be able to campaign Type in the shell has a shell side seam, can not be changed no shell seam types; pigment body sheet or ribbon, 1 or 2, or for multiple small discoid, yellow green or brown, containing chlorophyll a, c, also contains fucoxanthin and silicon A flavin and other photosynthetic pigments; storage material mainly for oil droplets; reproduction mainly for cell division and cell division in diatoms obvious features are: each cell division, resulting from two sub-cells,, only one and the mother cell and so big, the other one is smaller.

其主要特征是：藻体为单细胞或连成各式群体；细胞壁由硅质和果胶质组成，而且在结构上都是由上壳和下壳套合而成，纵断面观呈&肥皂盒&形；在上下壳的壳面上有花纹，花纹排列的方式主要分为两侧对称和辐射对称两大类，为分类上的最重要依据；能运动的种类在壳面都有壳缝，不能动的种类均无壳缝；色素体片状或带状，1个或2个，或为多个小盘状，黄绿色或黄褐色，含叶绿素a、c，还含有墨角藻黄素和硅甲黄素等光合色素；贮藏物质主要为油滴；繁殖方式主要为细胞分裂，硅藻的细胞分裂的明显特点是：每次细胞分裂所产生的2个子细胞中，仅有1个和母细胞等大，另1个则稍小。

In this paper, the quantitative relation between the mounting angle of boring tool and boring cutting face outline in boring process can be reasoned from discussing the movement of rotation error of boring machine spindle, thus it is possible to optimistically seek mounting angle so as to obtain the best processing effect.

本文从研究镗床主轴回转误差运动出发，推导出镗削加工中镗刀安装角与镗削截面廓形的定量关系。

Stainless steel hex nuts, nylon lock nuts, flange nuts, square weld nuts, square nuts, Cap nuts, etc.

不锈钢六角螺帽，尼龙自锁紧螺母，法兰面螺母，四方焊接螺母，四方螺母，盖形螺母等

Or take that black silhouette again, enliven with shadow the thousand acute angles of the spires and gables, and make it start out more toothed than a shark's jaw against a copper-colored western sky,--and then compare.

要不，您就再现那黑黝黝的侧影，用阴影复活尖塔和山墙的无数尖角，并使乌黑的侧影突现在落日时分赤铜色的天幕上，其齿形的边缘胜似鲨鱼的颔额。——然后，您就比较一下吧。

Complex surface structures stripes or bandings were found in those of A. dichotoma, but less in P. inclinatus. The trabeculae consisted of three parts the surface part, the cylindrical layer and the central part. The surface and the central part were mainly protein substances which could be dissolved by KOH.

其中心部主要是溶解于KOH溶液的物质蛋白一类的物质，环状纤维层中的几丁质纤维，在层和层之间相互不同的方向排列着，并各自与前翅的上下层中的几丁质纤维连续地连接着2独角仙前翅小柱的表面有复杂的纹样，而锹形虫的小柱表面只有非常简单的几乎没有纹样。

A large, forest-dwelling antelope of central Africa, having a reddish-brown coat with white stripes and spirally twisted horns.

邦戈羚羊一种产于非洲中部的栖于森林的大型羚羊，长有带白色条纹的红褐色毛皮和螺旋形的角

According to the probation standard of amputated finger function evaluation from the Hand Surgery Plant of Chinese Medical Association, 13 fingers achieved excellent results, 8 fingers got well and 1 got unsatisfactory result.

骨折无成角畸形及骨不连发生，无爪形手畸形，按照中华医学会手外科学会手部功能评定试用标准［1］：优13例，良8指，差1例，总优良率95.5%。

On the basis of these induced equations, the munerical computation and analyzing are completed, especially for the analyzing and computing the character of helix angle and tooth profile in different section for worm and stator which determines manufacturing for the parts of this kind of drive.

在啮合公式推导的基础上，对超环面行星蜗杆传动的啮合特性进行了数值计算和分析，特别是对与加工、制造这种传动蜗杆和定子紧密相关的蜗杆与定子的螺旋升角及其各个截面的齿形进行了深入的分析与计算。

The selection rules for the angles of jaw clutch, the determination of the sup ply voltage for the magnet, the design of the control circuit to eliminate the so-called "striking jaw top" and the measures to reduce residual magnetism and the switching time are discussed. The code circuit designing method for the speed control of the spindle box in XHK 5140 machining centre is also described.

本文根据牙嵌式电磁离合器的使用情况，对离合器齿形角的选择原则、激磁电压的设计、消除顶齿的控制电路的设计，以及采用电容器放电消除剩磁和缩短断开时间等问题进行了讨论，最后介绍了XHK5140立式加工中心主轴用电磁离合器变速的译码电路的设计方法。

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