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ethnic education geography
释义
ethnic education geography
Encyclopedia
理学
民族教育地理
释
ethnic education geography
民族教育地理
研究民族地区教育地理的基本原理及其运用的学科。既是民族地理学分支,也是教育地理学分支。
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optical path length equalizer
optical pen
optical performance measurement
optical phase
optical phase conjugation
optical phase control technology
optical phase encryption
optical phase lock loop
optical phonon
optical pickup
optical pickup head
optical pickup, optical pickup head
optical picture
optical plastic
optical plastics
optical plumment
optical plummet
optical pointing telescope
optical polarization analyzer
optical polarization calibration
optical polarization-division multiplexing transmission system
optical polarizing coating
optical poling
optical polishing
optical position
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更新时间:2026/2/6 18:42:54