结论早期肠套叠及肠扭转用结肠镜进行复位，是一种高效实用的治疗方法。
Conclusion Earlier period colonic distortion or intussusception treated with colour endoscopic reduction is an efficient and practical therapy.
提出了一种基于几何原理求解结构可靠指标的高效实用算法，即随机梯度算法。
An efficient and practical stochastic gradient algorithm for calculating structural reliability index is presented in this paper on basis of geometrical principle of reliability index.
城市道路压实积雪的快速清除一直是较难解决的问题。目前，仍没有高效实用的除雪机械。
Rapid removing of compressed snow on urban roads has been a problem difficult to solve. There is no efficient and practical machine for it presently.
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