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显象时间研究
释义
显象时间研究
Encyclopedia
文学
变异
释
apparent-time studies
显象时间研究
一种语言变化研究模式。它不是通过真实时间的调查来研究语言变化(参见“真实时间研究”),而是通过比较某个社区内年长者与年少者的话语来研究语言变化。社会语言学的奠基人、美国语言学家W.拉波夫是这一术语的提出者,也是这一研究模式的开创者。
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leaching mining microorganisms
leaching ratio
leaching tank
leaching wastewater of tailings and waste dump
leach residue
leach-solution purification of chemical mineral processing
LEAD
lead
lead accumulator
lead acetate
lead acetate; sugar of lead
Lead-acid battery
lead acid battery
lead-acid battery
lead acid storage battery
lead-acid storage battery
lead alkali metal alloy
lead alloys for lead-acid battries
lead and zinc flotation
lead angle method
lead arsenate
lead azide
lead bath quenching
lead battery metal
lead beam
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