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exploration and development costs
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exploration and development costs
开发和发展费用
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four-ball tester
four-ball test rig
four-ball top
four-band multispectral data
fourband scanner
four-banger
four-bar chain
four-bar guide
four-bar linkage
four bar linkage
four bar linkage mechanism
four-bar motion
four barrel
four-barrel
four-barrel step and repeat camera
four-bar steering linkage
four basic fields
four bat reel
four-bearing crankshaft
four bits
four-bit slice circuit
four-bit slice microprocessor
four-bladed capacitor
four bladed cotton guide roller
four-bladed fan
科学参考收录了1248194条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。
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