The scan configuration or scanner is the simplest arrangement of relays in a switch system.
扫描配置或扫描仪是开关系统中最简单的继电器结构。
High voltage silicon pile is the key component of the output circuits of color TV and color monitor, whose switch frequency is the direct restrictive factor of line scan.
高压硅堆是彩电和彩色显示器行输出电路中的关键器件，其开关速度的快慢直接限制了行扫描频率的高低。
A switch is used to change from the parallel test mode to the scan test mode.
开关用于从并行测试方式改变为扫描测试方式。
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