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郑集
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Zheng Ji
郑集
(1900-05-06~2010-07-29)中国早期的生物化学家、营养学家、衰老生物化学家,教育家。原名兴义,字礼宾。
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double-arm spectrometer
double-arms spectrometer
double arrow
double asteroid
double astrograph
double ball sintering
double banner advertisement
double bar
double barrier magnetic tunnel junction
double barrier tunneling
double-barrier tunneling
double-bar warp machine
double base propellant
double-base propellant
double bass
double beam atomic absorption spectrometer
double-beam atomic absorption spectrometer
double-beam interference
double-beam method
double beam optical null infrared spectrophotometer
double beam optical-null infrared spectrophotometer
double-beam photometer
double-beam polarimeter
double beam spectrophotometer
double-beam spectrophotometer
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