Pm
See also: ㏘, p. m., p.m., pm, .pm, P. M., P.M., and PM
Translingual
Symbol
Pm
- (chemistry) Symbol for promethium.
- (metrology) Symbol for the petameter (petametre), an SI unit of length equal to 1015 meters (metres).
单词 | Pm |
释义 | PmSee also: ㏘, p. m., p.m., pm, .pm, P. M., P.M., and PM |
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