practical factor中文什么意思

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1. Considering the weakness of the optic flow approach , we give an improved object detection and segmentation method in the moving background case . afterwards , two practical factors , which bring negative effects , are discussed in detail : lighting variation and camera dithering
   在对静止背景情况充分研究的基础上，本文着重分析了基于光流估计的运动背景目标检测和分割方法，并对光流估计精度不高时的目标检测和分割提出改进方案。
2. This paper finds that the main factor that affects the formation and the change of the teacher ' s personal practical theory is " the practical factor " , but training - theory has almost little affect , it implies that the teacher ' s personal practical theory suffers un - criticized
   在对影响教师个人实践理论形成与发展的因素进行分析时，本研究发现，一般教师个人实践理论的形成与变化的主要的影响因素是“实践性因素” ，而教育理论培训等“理论性因素”则作用甚微。
3. The formulae for calculating coefficients of performance ( cop ) of metal hydride heat pumps ( mhhp ) for temperature upgrading are proposed after considering practical factors such as heat transfer of metal hydride bed and sensible heat exchange , which provide theoretical bases for reasonable selecting metal hydrides pair and adjusting diversified process parameters of mhhp
   摘要考虑到金属氢化物床的传热和换热器间显热回收等实际因素，提出了升温型金属氢化物热泵性能系数计算公式，为合理选择金属氢化物对，以及调整热泵的各种工艺参数提供了理论依据。
4. Many practical factors , such as effects of line fuses protection , disconnected switches , scheduled maintenance , spare electrical source , spare transformers in distribution system , are considered in the assessment arithmetic . in the assessment , it is more practical that low - voltage power system is equivalent to an element on the lateral section of mid - voltage system . especially , the minimal cut - sets are divided into direct cuts and indirect cuts , which makes the effects of elements in cuts on system more legible and exact
   算法考虑了分支线熔断器保护、隔离开关、计划检修、备用电源、有无备用变压器的影响，将低压系统等效为中压系统分支馈线上的一个等效元件进行评估，使得该方法更符合实际，特别是，将最小割集分为直接割集和间接割集，使割集元件的影响更加清晰准确，并以c + +语言编制了计算软件。