duty-ratio的用法和樣例：
例句
- The test results also show the outlet humidity can be controlled in long range in it by this sort of humidifier under its different duty ratio.
另外模擬和實驗結果也表明該加濕裝置能根據加濕器工作時間占空比的不同，在很寬的範圍內控制出口的濕度。 - Finally,simulations are performed to verify the proposed DTC scheme based on improved discrete duty ratio control technology.
對所提出的基於改進離散占空比控制技術的直接轉矩控制系統進行了模擬實驗。
