positivecharge
- 网络正电荷;阳电荷
positivecharge
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plus or minus
pulley system
proportionality coefficient
perfectly inelastic collision
partial pressure
parallel connection
propagation velocity
Planck constant
Probability Density
Planck formula
point of action
potential energy
power function
point charge
particle size
Ptolemaic system
Proto-Indo-European
participle
public place
protestants