出站色灯信号机显示两个绿色灯光时，其显示含义是什么?
["\u7b54\uff1a\u534a\u81ea\u52a8\u95ed\u585e\u6216\u81ea\u52a8\u7ad9\u95f4\u95ed\u585e\u533a\u6bb5\uff0c\u51fa\u7ad9\u8272\u706f\u4fe1\u53f7\u673a\u663e\u793a\u4e24\u4e2a\u7eff\u8272\u706f\u5149\uff0c\u51c6\u8bb8\u5217\u8f66\u7531\u8f66\u7ad9\u51fa\u53d1\uff0c\u5f00\u5f80\u6b21\u8981\u7ebf\u8def\u3002\u81ea\u52a8\u95ed\u585e\u533a\u6bb5\uff0c\u51fa\u7ad9\u8272\u706f\u4fe1\u53f7\u673a\u663e\u793a\u4e24\u4e2a\u7eff\u8272\u706f\u5149\uff0c\u51c6\u8bb8\u5217\u8f66\u7531\u8f66\u7ad9\u51fa\u53d1\uff0c\u5f00\u5f80\u534a\u81ea\u52a8\u95ed\u585e\u6216\u81ea\u52a8\u7ad9\u95f4\u95ed\u585e\u533a\u95f4\u3002"]