圆和

In addition, the method for evaluating roundness error through computers and corresponding calculating methods and procedures is researched.

给出了评定圆度误差的基本原则，研究用计算机实现圆度误差评定的四种方法及相应的算法和程序。

The results showed that SYP was widely expressed by DNES cells and some intercellular SYP immunoreactive products were also observed. These were the morphological proofs for sacculus rotundus to be a neuroendocrine organ.

结果显示圆小囊组织中大量分布着SYP阳性表达细胞和胞间阳性突触小泡样结构，这一结果为证明圆小囊作为外周神经免疫内分泌器官提供了形态学证据。

The theoretical study of round-link chain with notch provides a theoretical basis for structure optimization and safety analysis of the round-link chain.

从理论上对含有缺口的圆环链进行了分析研究，为圆环链的结构优化和安全性能分析提供了必要的理论依据。

The mechanisms in daily life, including the scissors-style crank-linked expansion and contraction gate, an expanding and contracting clothes rack, a sawhorse work table, etc., feature linear expansion and contraction.

日常生活中我们见到的剪式连杆结构的伸缩门、伸缩衣架和剪式升降工作台等可以实现直线伸缩，按此原理将剪式连杆封闭咸圆形，则可实现"圆"的伸缩；而将多个"圆"通过交叉组合成球形，从而实现"球"的伸缩。

This time shooting site was choosed at kolorado plain,crossing nevada utah ans arizona.the place owns the grand canyon and the famous park zion national park,bryce canyon,arches national park,monument vally.the grand cirle crossing 230KL in semidiameter.

这次的拍摄地点为美国科罗拉多高原，横跨内华达、犹他、亚力桑那等三州，拥有世界七大奇景之一的大峡谷和著名的锡安国家公园、布莱斯峡谷、拱门国家公园、纪念碑山谷等景区环圆成一个半径230公里的峡谷圆环区。

The number and distribution of the singular points of streamlines in the cross section of steady flow through a curved tube are discussed by using the method of topological structure analysis.

利用拓扑结构分析方法，分析了弯曲圆管内定常流在横截面上流线的奇点个数及分布规律，给出了二次流的漩涡数目由 2个变为 4个，流态结构发生分叉现象的理论判据·进而，利用Galerkin方法，得到了弯曲圆管内定常流的流函数和轴向速度的半解析表达式，给出了流态结构发生分叉现象的临界Dean数，所得结果与理论判则一

It is the outside circle of the external spline or the root circle of the internal spline.

它是外花键的外圆，和内花键的齿根圆。

It is the root circle of the external spline or the inside circle of the internal spline.

它是外花键的齿根圆，和内花键的内圆。

Is the first domestic production of carton packaging equipment business, China's first round pressure on the yen die-cutting machine was born here, the company is located in Shandong Province at the junction of the southern gate of the Sulu State Road 205 and the Beijing-Shanghai Highway online.

山东省郯城新亚轻工机械有限公司是国内最早生产纸箱包装设备的企业，国内第一台圆压圆模切机就诞生在这里，公司位于山东省南大门苏鲁交界205国道和京沪高速公路线上。

In comparison with the conventional tangentially fired system, the horizontal bias burner and the twin circles of th.

与传统的切圆燃烧系统相比，水平浓淡燃烧器和同层一次风双向切圆布置是该系统的主要改进之处。

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