短语词组短語sample -and-hold cell [電子]抽樣保持單元Sample -and-hold filter 採樣保持濾波電路pulse sample -and-hold circuit 脈沖試樣和保持電路英語;脈沖取樣保持電路;脈沖抽樣保持電路infinite sample -and-hold 無限採樣 返回 sample-and-hold