这枚最后的方孔钱，标示著使用了两千年之久的方孔制钱设计的终结。
Represented here is one of the last square hole cash issues, marking an end to the over two thousand year tradition of using the square hole cash design.
该变压器静电屏，包括绝缘圈，绝缘圈上有方孔，有引线从方孔中穿过。
The electrostatic screen for a transformer comprises an insulated ring on which a square hole is arranged. A leading wire passes through the square hole.
双线圈装用连续的双圈铁丝绕穿过打在书本订口的方孔而成的一种活页装。
Wire-o binding a method of loose-leaf binding in which a continuous double loop of wire runs through punched slots along the binding side of a booklet.
方孔条既可以在不同的安装孔间调整位置，又不必额外占用机柜的内部空间。
The square strip can be used to regulate position among different fixing hole and not occupies extra inner surface space of the cabinet.
加紧夹头(圆孔、四方孔、六方孔)符合DIN 6343标准，更换方便。
The clamping chucks (round hole, square hole and hexagon hole) conform to DIN 6343 standard, changed quickly.
镀锌方孔网最常用做窗纱，机械外围的安全防护，也广泛用在气液体的过滤和粮食筛选。
Galvanized square wire mesh is mostly used as window screening safely guards on machinery enclosures. it is also widely used in filtering liquid and gas, sieving grain.
用发货附带的螺钉和浮动螺母将滑道前端的安装孔位与机柜前方对应侧的立柱方孔条固定；
Fix the installation holes on the front end of the slider rail to the square holes on the front post of the rack with screws and cage nuts shipped with the slider rails.
使用基尔霍夫衍射积分公式和菲涅耳衍射积分公式对高斯光束通过方孔光阑的衍射进行了研究。
The diffraction of Gaussian beams at an square aperture is studied based on the Kirchhoff and Fresnel diffraction integrals.
通过有限元模拟分析和工业试验相结合研究了圆坯和方坯在菱方孔型中的变形规律，对比了方坯进菱孔和圆坯进菱孔轧制时的变形特点。
FEM and industrial rolling test are used to study the deformation behavior of square billet and round billet in diamond and square passes. The deformation for different rolling processes is compared.
景区总面积约118.8平方公里，由小七孔景区、大七孔景区、水春河景区和樟江风光带组成。
The scenic area covers a total area of 118.8km2, comprising the Small Seven-hole scenic area, Big Seven-hole scenic area, Shuichun River scenic area, and Zhangjiang River Landscape Belt.
方形兜孔钢保持架因为钢架硬度高、拉削难度大等特点，始终采用线切割加工方兜孔。
The working for square pockets of turning steel cages having high hardness and difficult to broach is conducted in linear cutting.
一方面，平面定位稳定可靠，另一方面，在加工过的平面上加工孔比较容易，并能提高孔的加工精度。
On the one hand, the plane positioning is stable and reliable, on the other hand, it is easy to process holes on the machined surface, and can improve the machining accuracy of the hole.
侧面开孔一方面降低了振膜的初始应力，提高振膜的机械灵敏度。
On one hand, the hole made on side decreased the initial stress, and increased the mechanical sensitivity of the diaphragm.
标准尺寸的孔与气动执行机构连接。中间为一伸出体外的方身，直接与气动执行机构内八角相连。
Hole of nominal size connects with pneumatic operation organ, Threr is a square body protruding out which directly connects with the internal octagon of pneumatic operation organ.
正硅酸甲酯和硅酸钠形成有序的二维六方相的介孔结构，而正硅酸乙酯形成了囊泡结构。
TMOS and sodium silicate led to iron-containing silicas with ordered two-dimensional hexagonal mesoporous structure, and vesicle mesostructure was obtained using TEOS as silica precursor.
六方介孔硅HMS由于优良的特性成为近年来材料学领域研究的热点。
The research of hexagonal mesoporous silica(HMS) has become a hot point in the field of materials in recent years because of its excellent characteristics.
长的四方型或六边型钢管，在其中心为孔，以便作为流体流动的通道。
A long square or hexagonal steel bar with a hole drilled through the middle for a fluid path.
分别从化学、物理及基板三方面探讨了影响电镀填孔工艺的一些基本因素。
The purpose of this paper is from chemical, physical & substrate aspects to explore several influence factors of via-filling plating process.
特殊样式为爆破片周边开螺栓孔用法兰对夹样式。需与制造方协商。
Special style for bursting disc surrounding open bolt hole flange to clamp style. With the method of manufacturing agreement.
表面活性剂PEG的加入，样品的六方结构有序性和孔尺寸发生变化。
When polymer PEG was added, the mesoporous structure of samples including hexagonal order and the pore size changed.
表面活性剂PEG的加入，样品的六方结构有序性和孔尺寸发生变化。
When polymer PEG was added, the mesoporous structure of samples including hexagonal order and the pore size changed.
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