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控制性观察
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控制性观察
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controlled observation
控制性观察
根据事先设计好的观察项目和要求进行的观察。因带有实验性质,又称实验观察、结构观察、有控制观察、系统观察。
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materials for civil engineering reinforcement and renovation
materials for clinical diagnosis
materials for control-release of pesticide
materials for corrosion maintenance or repair
materials for energy application
materials for high power laser frequency conversion
materials for low power laser frequency conversion
materials for photocon-ductive detectors
materials for photodetectors
materials for photovoltaic detectors
materials for protection of tritium permeation
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Materials for Teaching of Chinese as a Foreign/Second Language
materials for ultrashort pulses laser frequency conversion
materials genome
materials handling equipment
materials informatics
materials kinetics simulation
materials metrology
materials modeling
materials of additive manufacturing
materials of artistic creation
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materials of infrared window
Materials of Music and Dance in Tang Poetry
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