This paper discusses the existent problems of the educational experiment from the selection of subject, evaluation and popularization and puts forward the countermeasures to solve these problems.
本文从教育实验的选题、评价和推广三个方面来探讨教育实验存在的问题并提出解决这些问题的对策。
The experiment, demonstration and popularization provide the quick recovery of shrub-grass in semi-arid region of Loess Plateau with scientific foundation.
该体系的组装配套与试验、示范、推广为黄土高原农牧交错区灌草植被的快速恢复提供了重要的科学依据。
Since carrying out vaccination outpatient service in 1997 in Anqing, it has experienced experiment and popularization stages.
安庆市自1997年实施乡级接种门诊以来，经历了试点、推广阶段，取得了可喜成绩。
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