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Chinese historical cotton industry
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Chinese historical cotton industry
Encyclopedia
理学
中国历史时期植棉业
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Chinese historical cotton industry
中国历史时期植棉业
中国历史上的棉种植业发展、演变情况。中国历史时期植棉业经历了从南向北的传播历程,传播中也将棉种从木棉、树棉变更为草棉,最后完成了美洲陆地棉对各地棉种的全面替换。
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ship's operating indexes
ship source oil spill pollution damage compensation fund
ship speed and resistance
ship speed control
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ship traffic service
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Ship transportation planning
SHIPTRAP
ship tribology
Shi Pu
ship waste gas treatment system
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ship wave
ship weather instrument
shipwreck injury
ship’s principal dimensions
Shiqian Chengnan Wenquan
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