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纳米计量
在纳米尺度范围内,通过不间断溯源链实现测量结果与计量基准/标准装置或计量标准物质相联系,实现单位统一、量值准确的技术。
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unmeasurability of absolute position of space
unmeasurability of absolute time
unmeasurability of direction of time flow
unmeasurable
unmixed
unmixed domain
unmixed ideal
unmixedness theorem
unmixed ring
unmoderated
unmodulated
unmodulated groove
unmount
unmovable cultural relics
unmyelinated nerve fibre
unnamed number
Unnamed Society
unnatural amino acid
unnatural base
unnatural death
unnatural nucleotide
Unnelling and Underground Space Technology
unnotched
unnotched specimen
unnumbered
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