名詞 starting signal:

1. a signal to begin (as in a race)
   同義詞：start

1. The status or condition of being ready to run. A program, task, or hardware device that is in a ready condition needs only a start signal in order to begin operation.
   準備就緒即可運行的狀態(tài)。一個程序、任務或硬件設備在處于就緒狀態(tài)時，只需要一個起動信號就開始工作。