The optical scanning apparatus includes a light source unit to simultaneously emit a plurality of light beams;

所述 光学扫描设备包括：光源单元，同时发射多个光束；

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Each linear light source unit is displaced on the rotating body or moving body to alternately project images with each other.

各线性发光单元放置在旋转体或运动体上以相互交替地投射图像。

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In this paper, a method is introduced to set up an automatic measurement system which is made of constant current source unit, voltage meter, switch matrix and computer with IEEE - 488 interface.

文中给出了一种由配有IEEE- 488接口的恒流源、电压表、开关矩阵和计算机组建自动测量系统的方法。

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In this paper, a method is introduced to set up an automatic measurement system which is made of constant current source unit, voltage meter, switch matrix and computer with IEEE - 488 interface.

文中给出了一种由配有IEEE- 488接口的恒流源、电压表、开关矩阵和计算机组建自动测量系统的方法。

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