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单词
foreign trade
释义
foreign trade
Encyclopedia
经济学
对外贸易
释
foreign trade
对外贸易
一个国家或地区以自己为中心与世界其他国家或地区之间存在的商品、劳务和技术等方面的交换活动。由进口和出口两部分组成。又称国外贸易、进出口贸易。
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laser excitation
laser excited atomic fluorescence spectrometry
laser eyepiece
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laser filter technology
laser fission
laser fission reaction
laser-flash method
laser flow cytometer
laser flowmeter
laser fluence
laser fragmentation
laser frequency
laser frequency comb
laser frequency conversion materials
laser frequency stability
laser frequency stabilization
laser frequency stabilization technology
laser frequency stablization principle
laser frequency stablization technology
laser frequency standard
laser fused
laser fusion
laser fusion reaction
laser gain
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