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electrical standards
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electrical standards
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工学
电学标准
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electrical standards
电学标准
用以定义、实现、保持和复现电学量单位或一个(多个)已知的电学量量值的实物量具、测量仪器或测量系统。
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copper oxide
Copperplates of Imperial Edict on Unifying Weights and Measures of Qin Dynasty
copper poisoning
copper poisoning in animals
Copper precious and prices devaluation
copper pyrite
copper red glaze
copper-red porcelain
copper rod upward continuous casting
copper slab horizontal continuous casting
copper sulfate
copper sulfate pentahydrate
copper sulfide
copper-to-glass seal
copper value
copperweld
Copper Workshop in Erlitou
copper-zinc plate
copper zinc tin sulfide selenide thin film solar cell
copper (Ⅰ)-catalyzed azide alkyne cycloaddition
coppice with standards
Coprates Chasma
co-precipitation
coprecipitation
co precipitation method
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