短語(yǔ)詞組短語(yǔ)pulse -duration 脈沖寬度pulse response duration 脈沖響應(yīng)寬度pulse e duration modulation 脈寬pulse e duration 脈沖持續(xù)時(shí)間;脈沖寬度modulation pulse -duration 脈波寬度調(diào)變 返回 pulse duration