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卫生标准
以保障人群健康、预防疾病为直接目的,依照法定程序批准颁布,针对与人的生存、生活、劳动和学习有关的各种自然和人为环境因素所制定的一系列量值规定(包括最适范围和容许限量),以及为保证实现这些规定所必需的技术行为与要求。
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local gauge transformation
local gauge transformation group
local geochemical anomaly
local geometry
local global principle
local-global principle
local global Torelli problem
local-global Torelli problem
local god King Zhang
local government
Local Government Act(1929)
local government agreement
local government annexation
local government debt
Local Government in China Under the Ch’ing
local government-run school
local governments' and public schools' primary responsibility for children's education of rural migrant workers
local government–run school
local ground field
Local Group
local group
Local group of galaxies
local group of galaxies
local group theory
local heat treatment
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