An unstable upright equilibrium position on a vessel means that the mrtacenter is（）.
举一反三
- 45. A navigator fixing a vessel's position by radar ______.
- Anything in a leaning position is not ______. A: right B: upright C: honest D: straight
- Anything in a leaning position is not ______. A: upright B: right C: honest D: alright
- 96. The term power-driven vessel means ______ in these Rules
- If a conductor is in an electrostatic equilibrium, then the electric field inside it at any position is 0.