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双射束；双重梁
1、breast beam───撑梁；船首横梁，[纺]胸梁；船首横梁; 胸梁
2、cross-beam───横梁；大梁
3、balance beam───n.平衡木；天平横梁；平衡杆，秤杆
4、obliteration beam───闭塞光束
5、chamfering beam───倒棱梁
6、double───v.加倍；对折；n. (Double)（美）杜布勒（人名）；adv.双重地；重叠的；n.极相似的对应物；替身；供双人用的事物；双倍；（复数）双打（尤指网球）；（在同一赛季或年份两次获胜的）双料冠军；（棒球）二垒安打； (C)双精度浮点数；pron.双倍数（或量）；det.是……的两倍；adj.两倍的；成对的；（花）重瓣的；供两人用的；双重的
7、beam───n.横梁；光线；电波；船宽；[计量]秤杆；vt.发送；以梁支撑；用…照射；流露；n.(Beam)人名；(ALa伯)贝亚姆；(英)比姆；vi.照射；堆满笑容
8、particle beam───粒子束，[高能]粒子束流
9、fleshing beam───刮皮板
1、test method for measurement of thickness of transparent or opaque coatings by double - beam - interference microscope technique───用双束干涉显微技术测量透明涂层或不透明涂层厚度的试验方法
2、plastics - determination of the total luminous transmittance of transparent materials - double - beam instrument───塑料.透明材料光透射率总量的测定.双束发射仪器
3、The double-beam structure is applied in the house construction mainly.───它主要用于房屋建筑中。
4、Single beam, double beam light optional.───单束光、双束光自行可选。
5、Plastics - Determination of the total luminous transmittance of transparent materials - Part 2: Double-beam instrument───塑料。透明材料光透射率总量的测定。第2部分：双束发射仪器
6、Signal-noise ratio of the system is improved with double beam mode and correlative detection technology.───采用双光束相关检测技术，改善了XiTong的信噪比。
7、At last, the feasibility of fabricating light guide plate by double beam laser direct writing system is confirmed.───最后论证用双光束激光直写XiTong制作亚微米光栅型导光板的可行性。
8、Double Beam Atomic Absorption Spectrophotometer.───双光束原子吸收分光光度计。
9、The results show that the two methods has same analytical performance, but the double beam spectrophotometer has higher sensitivity.───结果表明，双光束分光光度法与单光束分光光度法相比，分析性能相同，但灵敏度有较大提高。
1、This paper introduces the necessity of double beam splitting system applicating in polarization interference phase subdivision and the optimized principle of this beam splitting system.
2、Support double beam control , power can be adjusted separately, and can control variety of laser tubes.
3、This type of equal arm balance with double beam and pan adopts flexible steel band as support without abrasion to the edges of the knife.