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考試時會要求使用不可塗改的黑筆標記與作答，故擦擦筆和鉛筆作答都不算分。因此特別是寫作平時要練習使用黑筆作答When the signal finally comes to the VTX the ground potential is the same as the cameras, and the signal will be correct again (possibly with some unnoticeable noise).They’Bezeichnung für