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机械原理创意实验的实践与探讨 总被引:5,自引:7,他引:5
本文针对机械原理实验教学中只有单一、验证性的实验,没有综合、设计型的实验不利于培养学生创新意识与实践能力的情况,就开设机构创新设计实验进行探讨。 相似文献
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Effects of the dietary supplementation with fructooligosaccharides on the excretion of nitrogen and phosphorus in Miichthys miiuy fries 总被引:3,自引:0,他引:3
INTRODUCTION Aquaculture, one of fastest-growing food in-dustries, has increased worldwide at an average rate of 9.2% per year since 1970, compared with only 1.4% for capture fisheries and 2.8% for terrestrial farmed meat production system (FAO, 2002). Aquaculture has become the most advanced among agricultural fields. Simultaneously, due to intensive farming and lack of controlling guidelines, aquacul-ture’s impact on the environment has become of in-creasing concern. Excessive nutrie… 相似文献
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