这样一对反射面通常称为标准具。
针对这一情况，本文结合一具体建筑物局部倒塌事例，从理论的高度指出，之所以酿成事故主要是由于设计、施工和使用等三方面原因造成。
According to the situation, with a concrete accident of a building's partly collapse, three aspects of the causes from theory were presented: design, construction and using.
在原来光具座测量透镜焦距的装置基础上，用CCD代替人眼作接收器时，正确判定焦面是实验的关键。
Linear CCD is used as receiver on behalf of eyes on the basis of originally experimental equipment measuring the focal length of lens.
根据螺杆钻具转子加工时与铣刀的相对位置，建立空间螺旋齿面坐标系和铣刀坐标系。
According to the relative position of the rotor of the screw motor and the milling cutter, the coordinates of the helical tooth form and the cutter are-established.
贺铸词在词题、词调及表现手法三方面深具特色。
Hetaoci poem has unique characteristics in the three aspects of poem theme, poem tune and expression method.
控矿构造主要为NNE向断裂，具明显的双重结构面特征，金矿体严格受其控制。
The ore controlling structure is mainly NNE strike fault with double constructional surface.
我一面吃着点心，一面看着川子装铁观音的布具。
While I have snacks, one side looking at sichuan son outfit of cloth with drinking.
不能一方面把乔布斯吹捧成一位具有远见卓识的天才、世界最卓越的CEO，另一方面又说，三年后乔布斯是否仍然主持公司的运营对股东丝毫没有影响。
They can't hail Steve Jobs as a visionary genius and the world's greatest CEO, and then say it's none of shareholders' business whether he will still be running the company in three rs' time.
这一方面导致中国传统建筑发展缓慢；另一方面也使其在与自然相和谐、与生态环境相统一具有优越性。
Although this phenomenon bringed about the slow development of Chinese traditional architecture, it also made superiority on the harmony with nature and the accordance with ecological environment.
这是一个非常好的铅水晶镶有8方面，较具规模桌子。
This is a very fine lead crystal rhinestone, has 8 facets with a relatively large table.
我们采用酶促法或不对称合成法，建立起对映面选择性地合成这些具季碳氨基酸化合物的有效途径。
We have developed a synthetic method for the preparation of their kind of compounds in high enantioseletive way by lipase-catalyzed desymmetric acetylation of diols.
研究了经双凸透镜两个光具面 L_1和 L_2的透射光线和反射光线的近轴成像规律，以此说明其像群的形成。
The rule of adaxial image formation is studied, of the transmission light and reflected light through the two optical surfaces L_1 and L_2 of the biconvex lens.
新科亿具有十几年的预硫化胎面胶及轮胎翻新配件的生产经验，引进先进的工艺和设备，与国内众多大型轮胎翻新生产企业保持合作关系。
Xinkeyi with more than 10 years of retread rubber production and application of experience, introduce advanced technology and equipment, have the cooperation relations with many tires enterprise.
具伸缩容易，遮挡面 积大，制造工艺简单，成本低，材料适应性广，制品大小任意的特点。
The sectional material has the characteristics of easy contraction, large occlusion area, simple manufacturing technology, low cost, wide adaptability of material and arbitrary size of products.
卡环是一具有开口部的环形体，环形体的内侧设置一圈用于扣压轮芯的台阶，台阶表面具有向下倾斜的弧面形状。
The snap ring is a ring with opening part, the inside of the ring is arranged with a circle of step which is used to buckle the wheel core, and the surface of the step has downward inclined arc shape.
夹爪及夹子具能松开挤型材料而快速返回挤压机面，返回所需时间在挤压机不动时间内完。
The gripper jaw and the clip can release the extruding material to return to the surface of extrusion press. The return operation can be completed when the extruding press is at immobile status.
具有大型单斜层理、槽状交错层理和低角度交错层理，底部具冲刷面；
Its sedimentary structure includes large-scale inclined beddings, trough cross-beddings, low-angle cross-beddings as well as an erosional basal surface.
商早期青铜器范铸分型技术已具成熟的工艺设计思想，在素范面压塑纹饰的“纹饰压塑技术”出现；
The technology of pressing ornament on surface of mould appeared in early period of Shang, meanwhile, the piece-mould casting technology had specification;
商早期青铜器范铸分型技术已具成熟的工艺设计思想，在素范面压塑纹饰的“纹饰压塑技术”出现；
The technology of pressing ornament on surface of mould appeared in early period of Shang, meanwhile, the piece-mould casting technology had specification;
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