以下为句子列表：
英文: A mechanical model of conical part stamping process is built under the conditions of considering thickness variation, anisotropy, work-hardening, friction factor and so on.
中文: 摘要在综合考虑板厚变化、各向异性、加工硬化及摩擦等因素的情况下，建立了圆锥形件冲压成形过程的力学模型。
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英文: A slender woodwind instrument with a conical bore and a double reed mouthpiece, having a range of three octaves and a penetrating, poignant sound.
中文: 带有一个圆锥形孔和双簧管吹口的细小的木管乐器，具有三个八度音域和穿透力强而尖利的声音。
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英文: Abstract: In this paper,through stress analysis of region about conical and spherical parts during drawing,a calculating formula of maximum tangential compressive stess in unsupported wall region is deduced.And this is condition of causing internal wrinkl
中文: 文摘:通过对球形和锥形零件在拉深过程中各部分的应力分析，得到了拉深过程中悬空区切向压应力最大值的计算公式，以此作为引发内皱的条件，在保证工件不被拉裂的前提下，建立了临界计算公式。
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英文: Adopting the straight-line bearing and asynchronism electrical machineries of conical surface braking, operation is steady.
中文: 采用直线轴承及锥面制动三相异步电机，运作平稳。
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英文: An imagery system consists with projector, concave conical mirror and convex conicai mirror and screen; the picture can be imagery distortion.
中文: 由投影机,凹锥面反射镜和凸锥面反射镜与屏幕组成成像系统,将物失真成像。
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