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quantum frequency standard device
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quantum frequency standard device
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quantum frequency standard device
量子频率标准器件
利用粒子(如原子、分子)能级之间的跃迁原理产生极其准确而稳定的频率的量子电子器件。
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fixed wireless transmission system
fixed work
fixer
fix farm output quotas for each household
fixing
fixing agent
fixing by landmarks
fixing solution
fixity
fix point number or integer
fixture
fixture for wire rope guide
Fizeau
Fizeau, Armand Hippolyte Louis
Fizeau crater
Fizeau experiment
Fizeau fringe
Fizeau fringes
Fizeau interferometer
Fizeau's experiment
FIZ-Karlsruhe
FJA
F. J. Dyson
F. J. Dyson (1923—)
F. J. Hasert
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