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imitation stamps
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imitation stamps
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邮资凭证
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imitation stamps
仿印邮票
邮政部门为集邮展览、集邮活动、集邮品制作等仿照已经停用的早期珍罕邮票,重新制版印制的“邮票”。由于明文宣告是仿印,在其票幅、纸质、刷色、齿孔、暗记等细节上与真邮票有所区别,有的在仿印邮票票背上印有“仿制品”字样。
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Xray absorption near edge structure
Xray absorption nearedge structure
X-ray absorption near-edge structure, XANES
X-ray absorption near edge structure (XANES); near edge X-ray absorption fine structure (NEXAFS)
X-ray absorption spectroscopy
Xray absorption spectroscopy
X-ray absorption spectrum
Xray absorption spectrum
X-ray afterglow
X-ray amplification by stimulated emission of radiation
X-ray analysis
X-ray Analysis and Data Ulitilization
X-ray analysis for pharmaceutics
X-ray and ionizing radiation luminescence
Xray and ionizing radiation luminescence
X-ray and proton radiotherapy
X-ray astrometry
X-ray astronomical satellite
X-ray astronomy
X-ray background
X-ray background radiation
X-ray backscatter imaging technique
X-ray binaries
X ray binary
X-ray binary
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