Gravity,Zero

《英文msh词典》Gravity,Zero
[入口词] Gravity,Zero
[主题词] Weightlessness
[英文释义] Condition in which no acceleration,whether due to gravity or any other force,can be detected by an observer within a system. It also means the absence of weight or the absence of the force of gravity acting on a body. Microgravity,gravitational force between 0 and 10 -6 g,is included here. (From NASA Thesaurus,1988)