The stiffness matrix about the three-dimension space connecting bar is derived.

并从理论上推导出了空间杆单元的刚度矩阵。

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Characteristics: Oil soaking CAM and connecting bar system; sinker with an eyelet to take unable-closed steel wire; let-off boxes control two rollers for positive let-off motion.

特点：油浸式凸轮连杆机构，地梳固定不摆动，带耳沉降片穿防闭钢丝，送经箱体分别控制二辊罗拉积极送经。

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In this paper, the authors put forward a set of formulae which can be used to compute accurately motion parameters of both plunger and outer slides of eight-connecting bar plate punching machine.

推导出了计算八连杆板冲压力机内、外滑块运动参数的通用公式，其特点是计算值为精确值、计算公式简化和通用性增强等。

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Nish had a header whip over Ruddy's bar, the big striker connecting with Riordan's corner, and the provider himself had a shot from 20 yards that Ruddy saved comfortably.

BBC: Sport - Football - Hibernian 2-0 Motherwell