keying wave的用法和樣例：
例句
- This paper describes the design and the test results of Gaussian frequency shift keying for bluetooth.
介紹了一種用於藍牙晶元的高斯濾波移頻鍵控的設計和測試結果。 - The application of the virtual studio system is more and more universal in the production of television programs, and keying technology is the core of the system.
摘要虛擬演播室系統在電視節目製作中的應用越來越普遍，而鍵控技術是該系統的核心。
