Education production is a super-complex process. The re se arch on school efficiency needs not only the theory, but also the empirical techniques.
教育生产是一个极其复杂的过程，对于学校效率问题研究既需要理论基础，又需要实证的技术。
Curriculum research demonstrates the tense state curriculum re se archers were faced with in the different historical stages.
课程研究的问题展示了不同历史阶段课程研究者所面临的紧张状态。
The overlapping position of uranium-mercury-molybdenum mineralization is companied with the concentration of Ni-Se-Re-Tl.
铀、汞、钼矿化重叠处是镍、硒、铼、铊的富集地段。
The overlapping position of uranium-mercury-molybdenum mineralization is companied with the concentration of Ni-Se-Re-Tl.
铀、汞、钼矿化重叠处是镍、硒、铼、铊的富集地段。
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