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三圃制
释义
三圃制
Encyclopedia
理学
古代耕作制度
释
three-field rotation
三圃制
耕地分区轮作制的一种。把耕地分成三区,其中一区休闲,另外两区分别种植秋播作物小麦、燕麦等或春播作物大麦、黑麦等,且三年依次轮换。又称三区轮作制。
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X-ray emission
X-ray emission of active galactic nucleus
X-ray emission of galaxies
X-ray emission of galaxy clusters
X ray emission spectroscopy
X-ray emission spectroscopy
Xray emission spectroscopy
X-ray emission spectroscopy, XES
X-ray emission spectrum
Xray emission spectrum
X-ray examination
X-ray excited Auger electron
Xray excited Auger electron
X-ray excited Auger electron (XAE)
Xray excited Auger electron (XAE)
X ray excited fluorescence
X-ray-excited fluorescence
X-ray film
X-ray flare
X-ray flash
X-ray flaw detector
X ray fluorescence
X-ray fluorescence
Xray fluorescence
X-ray fluorescence analysis
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