“navigation sonar”的概念、定义、翻译、参考文献-科学参考

单词	navigation sonar
释义	navigation sonar Encyclopedia 工学导航声呐释 navigation sonar导航声呐利用水声信号在水下的传播特性，通过测量载体相对于参考物的距离、方位、速度等信息，经过解算从而获得载体的位置、速度等导航参数的水声设备。
随便看	geocentric phenomena geocentric position geocentric radiant geocentric system Geocentric Terrestrial Reference System geocentric terrestrial reference system geocentric velocity geocentric zenith geochemical anomaly geochemical background geochemical barrier geochemical baselines geochemical block geochemical classification of elements geochemical closed system geochemical comprehensive grade of land quality geochemical comprehensive grade of soil quality geochemical correlations geochemical cycle geochemical data processing geochemical data quality monitoring system geochemical diagram geochemical disease geochemical dispersion patterns geochemical distribution patterns

科学参考收录了854744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。