Even involves to the teaching process each factor research and the development use, utilizes the multi-disciplinary knowledge to do alternately the research.
甚至涉及到教学过程的各个因素的研究和开发利用，运用多学科的知识交叉进行研究。
This was different — a disaster unfolding in visceral, wrenching real time, for viewers who were alternately spellbound and tortured by their inability to do anything about it.
而这次海啸与众不同---这次播报的灾难让那些观众撕心裂肺，不断忍受着对电视着迷和面对灾难无能为力的煎熬。
The results showed that to maintain environment in which high and low DO occur alternately is the key to achieving short-cut nitrification.
试验结果表明，保持高、低溶解氧交替的环境是实现短程硝化的关键；
The results showed that to maintain environment in which high and low DO occur alternately is the key to achieving short-cut nitrification.
试验结果表明，保持高、低溶解氧交替的环境是实现短程硝化的关键；
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