中英▼

  • The principle and structure of LED bar graphic display are described. Especially, its drive circuits are described.

    介绍发光二极管光柱显示器的结构和工作原理，着重介绍其驱动电路。

    youdao

  • The principle and structure of LED bar graphic display are described. Especially, its drive circuits are described.

    介绍发光二极管光柱显示器的结构和工作原理，着重介绍其驱动电路。

    youdao

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