The key research object of safety and efficiency of the mixed traffic flow should be the interaction influence between the bicycle flow and motor vehicles'.
城市灯控平面交叉口混合交通流安全和效率的核心研究对象应该是自行车与机动车交通流间的相互影响。
Taking Huawei Corporation as the case research object, this paper summarizes the trilogy of key account value marketing: value recognition, value choice and value providing.
文章以华为公司作为案例研究对象，总结提炼出大客户价值营销的三步曲：价值识别，价值选择，价值提供。
Heating cutting technology and the present state are briefly introduced. The research object, key technique and the application prospect of this technology are described.
简要介绍了加热切削技术及其现状，叙述了加热切削技术的研究目标、关键技术和应用前景。
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