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项目难度
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item difficulty
项目难度
被试完成测验项目任务时所遇到的困难程度。一般在学业和能力测验中会较多使用难度来考察项目对于被试的难易程度。
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Lubell-Yamamoto-Meshalkin inequality
Lubelskie
lube oil unit
Lubin
Lu Bing
Lu Bingheng
Lubin-Tate formal group
Lu Boda
Lubombo Region
lubricant
lubricant for forging
lubricant oil monitoring
lubricating-alloy
lubricating base oil production
lubricating film
lubricating grease
lubricating grease additives
lubricating mineral material
lubricating nanomaterial
lubricating oil
lubricating oil additive
lubricating oil component
lubricating oil system
lubricating system
lubrication
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