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1·This OSD controller, synchronized with horizontal and vertical synchronization signals, operates the display property registers of characters and bitmap set by the user microcontroller application.

计算机程序设计及操作时使用的符号。 包括字母、数字、空格符、提示符及各种专用字符等。

2·A synchronization mechanism was designed to satisfy ejection requirements of vertical ejection equipment.

设计了一种同步机构，应用于某垂直弹射装置中以满足其弹射要求。