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interplanetary flight navigation
释义
interplanetary flight navigation
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工学
〔其他导航系统〕
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interplanetary flight navigation
星际航行导航
确定空间探测器在行星际和恒星际中的位置和速度的技术,主要区别于近地空间的导航。
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group word
group Ⅱ-Ⅵ semiconductor
group Ⅲ-Ⅴ semiconductor
Group ⅧB element
Group Ⅷ element
grout-enriched vibrated
grouting
grouting control technology of tunnel and underground engineering
grouting deep mixing reinforcement machine
grouting in tunnel and underground engineering
grouting machinery
grouting machinery for tunnel and underground engineering
grouting material
grouting material for repairing cracks
grouting materials for tunnel and underground engineering
grouting method in fractured rock mass
grouting methods for tunnel and underground engineering
grouting sinking method
grouting technology of tunnel and underground engineering
grouting test
grouting treatment for the well’s flooded
Grove-Dike-Fish-Pond Systems Engineering
Grove Mountains
Grove mountains
Grover algorithm
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