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fountainless的中文,翻译,解释,例句

fountainless

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Recently the theories and methods of fountainless navigation using earth physical characters have been noticed by research institutions and scholars of all the world.

近年来,利用地球物理特征的无源导航理论和方法引起了国内外研究机构和学者的注意,开展了地形匹配导航技术、重力辅助导航技术、地磁辅助导航技术等研究。

Recently the theories and methods of fountainless navigation using earth physical characters have been noticed by research institutions and scholars of all the world. Researches on terrain matching navigation, gravity assistant navigation and geomagnetism assistant navigation have been developed.

近年来,利用地球物理特征的无源导航理论和方法引起了国内外研究机构和学者的注意,开展了地形匹配导航技术、重力辅助导航技术、地磁辅助导航技术等研究。