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reference materials

gen. 参考
space 参考资料
reference material
agric. 标准物质材料
avia. 参考资料
chem. 参考材料
el. 标准样品; 基准物质
f.trade. 标样
met. 标准试样
scient. 手册
space ★ 标准物质
tech. 参比物质; 标准材料; 基准材料
water.res., ecol. 参考物质
 English thesaurus
Reference Materials
ed., abbr. RM
reference materials
: 53 phrases in 13 subjects
Aviation4
Chemistry21
Earth sciences4
Electronics2
Geophysics1
Librarianship4
Nautical1
Nuclear physics1
Sealing1
Space4
Technology8
United Nations1
Water resources1

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