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特种邮票
特殊用途或特殊作用的邮票。是新中国发行的纪念邮票和普通邮票以外的特定邮票,主要用来宣传特定事物。简称特票。
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gravitational wave
gravitational wave astronomy
gravitational wave detection
Gravitational wave high-energy Electromagnetic Counterpart All-sky Monitor satellite
gravitational wave observation in space
gravitational wave source
gravitational wave telescope
gravitational wobble
gravitation constant
gravitation effect
gravitation interaction
gravitation law
gravitation theory
gravitino
gravitoelectromagnetism
gravitomagnetism
graviton
gravitophotophoresis
gravitropism
gravity
gravity acceleration
gravity air classification equipment
gravity anomaly
gravity anomaly interpretation
gravity anomaly separation
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