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单词
rest mass
释义
rest mass
The mass of a body at rest when measured by an observer who is at rest in the same frame of reference. Compare relativistic mass
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rigidity modulus
ring main
ripple
RMS value
robotics
Rochelle salt
Rochon prism
rock crystal
rocket
rocking-chair cell
rod
roentgen
Roentgen, William Konrad
rolling friction
ROM
root-mean-square value
Rose's metal
rot
rotary converter
rotational motion
rotor
rubidium-strontium dating
Rumford, Count
Russell-Saunders coupling
Rutherford and Royd's apparatus
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更新时间:2026/4/17 19:07:44