单词	钟形汽笛
释义	钟形汽笛bell whistle
随便看	optimal portfolio optimal power calibration optimal power flow optimal prediction of order n optimal process control optimal program optimal proportions optimal ray optimal reactor shutdown optimal reduced-basis representation optimal reflux optimal regulator optimal regulator problem optimal release time optimal replacement algorithm optimal replenishment system optimal reservation wage optimal resource allocation optimal resource scheduler optimal sample size optimal sampling plan optimal scheduling optimal search optimal searching algorithm optimal searching method