“stream improvement”的概念、定义、翻译、参考文献-科学参考

科学参考收录了1248194条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。

单词	stream improvement
释义	stream improvement 河流治导
随便看	ultrasonic flow measuring instrument ultrasonic flowmeter ultrasonic fluctuation velocimeter ultrasonic fluorometer ultrasonic forming ultrasonic frequency ultrasonic frequency generator ultrasonic gauge ultrasonic generator ultrasonic grating ultrasonic grating constant ultrasonic handpiece ultrasonic hand-washing apparatus ultrasonic heartbeat diagnositic instrument ultrasonic heating therapy appaatus for tumor ultrasonic hematometernometer ultrasonic hemomanometer ultrasonic hologram ultrasonic holography ultrasonic homogenization ultrasonic humidifier ultrasonic hydrophone ultrasonic image camera ultrasonic imaging device ultrasonic imaging method