Logistics is economical activities which in space and time change the materials from industry fields to consumption fields.
物流是物质在空间和时间上从生产领域向消费领域转换的经济活动。
Through a 98 questioned public opinion poll, this passage analyses and discusses the conception, time, space distribution, sports consumption ideology and structure and give some advice.
通过含有98项问题的问卷调查，对男、女大学生参加体育活动的观念，时间、空间分布，体育消费意识与结构等，进行分析和讨论，并提出建议。
But the more iterative times, the more space-time consumption, execution speed and convergence speed are slower.
但其迭代次数多，时空消耗大，执行速度和收敛速度都还较慢。
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