“management of sand mining in river & lake”的概念、定义、翻译、参考文献-科学参考

单词	management of sand mining in river & lake
释义	management of sand mining in river & lake Encyclopedia 工学河道湖泊管理释 management of sand mining in river & lake河湖采砂管理规范河道、湖泊管理范围内采砂行为的管理工作。
随便看	Doppler effect of neutron Doppler effect of spin wave Doppler equation doppler equation Doppler-Fizeau effect Doppler-free spectroscopy Doppler frequency shift Doppler global velocimetry Dopplergram Doppler guidance Doppler imaging Doppler instability Doppler mapping Doppler meteorological radar Doppler motion Doppler navigation radar Doppler navigation sonar doppler navigation system doppler observation doppleron doppler orbit determination and radio positioning integrated on satellite，DORIS Doppler parameter Doppler peak doppler point positioning Doppler Polar Monitoring Service

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