环形

It is suggested that the special electronic structure (3d〓4s〓) of Cu plays a crucial role in promoting the formation of the heptagon defects connected with the branching structures.

对铜催化产生七元环拓扑缺陷的机理进行了初步探讨，提出了铜原子特殊的价电子结构（3d〓4s〓）促成七元环形成的新观点。

Methods: The vision of 679 pilots were examined by circular optical visual chart, and the horizontal and vertical heterophoria, by the STEVEN rotary pris in 6 meters distance, small pupils and fundus, by routine method.

以环形视标视力表，测定697名飞行员视力。采用STEVEN旋转棱镜作6 m距离水平及垂直隐斜检查。常规小瞳孔眼底检查。

The zone of high-density fringes formed by their interference is found to be circular by him.

他发现由它们的干涉而形成的高密度条纹区为环形。

Oval Sapphires and Diamonds are "looped" together for a unique design in high-fashion jewelry.

椭圆形蓝宝石和钻石的环形设计使这款珠宝设计独特而时尚。

And scanning holograph could be produced by using annular grating scanning.

采用环形光栅扫描能产生扫描全息图。

The principle of the circular grating optical scanning holography and the experimental results are presented.

阐明了环形光栅光学扫描全息术的基本原理，并给出了实验结果

Hyperfine structures of the R(122) 35-0 and P(84) 33-0 transitions of 127I2 near 532 nm.

用单块激光器和环形外腔获得稳定的532 nm激光。

Results Of total 8 cases, 4 eases were located in the side of cerebral falx or sinus,2 eases in the convexity of the brain,1 ease in the sphenoidal erest,1 ease in the tentoriam of cerebellum the main findings were as followes: 4 eases were cystic tumores with obvious enhancement in the substant parts; 2 eases were shown as eystoma with the wall knot enhanced obviously; cystic tumores were found in 2 eases with the wreath form enhance; peritumoral edemaarea in 2 ease, hyperostosis were seen in 3 eases.

结果 本组8例囊性脑膜瘤均为良性，肿瘤位于镰旁／窦旁4例，大脑凸面2例，蝶骨嵴1例，小脑幕1例。其主要CT表现有：囊实性肿块，实质部分强化明显，4例；有壁结节的囊性病变，增强时壁结节强化明显，2例；环形强化的囊性肿块2例；瘤周伴水样低密度区2例，邻近骨质增生硬化3例。

You also need to import the picture button ring.

你还需要导入环形按钮的图片。

1 Use a damp cloth to wipe the walls in an annular route accordingly from top to bottom and from left to right, pay attention to clean higher and top parts of wall.

使用一块湿布按照从上到下、从左到右的环形路线顺序擦拭墙壁，注意清洁墙面的较高和较低处。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。