短语词组短語Absolute Clock Period Jitter 振動周期half clock period 半時鍾脈沖周期clock period selection 時鍾周期選擇Clock Period Gets Shorter 時鍾周期逐漸long period clock error 長期時鍾誤差The Period Clock 黑眼豆豆掛鍾 返回 clock period