The present study investigated the middle school students' beliefs of knowledge and knowing by using the self designed scale.
采用自编的《中学生知识学习观量表》，探讨了中学生知识学习观的现状和特点。
This paper utilizing the self-designed simulated water explosion pressure vessel as the basic experimental equipment, study on power of explosive under simulated deepwater explosion.
本文利用自行研制的模拟深水爆炸压力容器作为基本研究装置，研究模拟深水条件下的装药作功能力。
Side compress shaping equipment, which was self designed and self made, and press machine were used to study on shaping technology of small Cunniughamia lanceolata wood which on cutting.
在实验压机上加装自行设计制造的木材侧向压缩成型设备进行了小径速生杉木材的直接整形试验。
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