I hope the research I made on this subject could offer some reference to the on-line group purchasing enterprises.
对这一课题的研究，希望能为团购企业提供一定的参考。
This paper presents a vision vehicle detection algorithm based on virtual detection line group, which is optimized with space-time domain information.
本文提出了一种运用时空域信息优化的虚拟检测线组式视频车辆检测算法。
A theory analysis is made for a phenomenon of "line group" which is bell shaped, and the spectrum interference between direct path sound and reflected sound is revealed.
从理论上分析了钟型的“线谱群”的产生原因，证明了此现象是反射声和直达声之间的谱干涉引起的。
The three-dimensional symmetry of a macromolecular chain was characterized by the line group. Regularities of packing of macromolecular chains in a space group were shown.
对聚合物晶体中各种高分子链的构象进行了研究，找出了它们的三维对称性，并用直线群来表征。
The three-dimensional symmetry of a macromolecular chain was characterized by the line group. Regularities of packing of macromolecular chains in a space group were shown.
对聚合物晶体中各种高分子链的构象进行了研究，找出了它们的三维对称性，并用直线群来表征。
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