In the model, independent variable is as image of origin, dependent variable as perception of service quality and adjusting variable as the consumers ' ethnocentrism and consumers ' involvement. 模型中,自变量为原产地形象,因变量为感知服务质量,调节变量为消费者民族中心主义和消费者涉入度。
Conclusions : The origin of ophthalmic artery is variable. It usually gives off abnormal communicating branches, which should be evaluated before embolismic operation of maxillary artery. 结论:眼动脉起源存在变异及异常交通支,在行上颌动脉栓塞前要评估是否存在这些变异。
Chinese house is precious heritage of traditional architecture. Its origin and development is related to nature, geography, society, politics, culture, custom and other complicated and variable factors. 中国民居是我国传统建筑的宝贵遗产,它的诞生与发展是与自然、地理、社会政治、经济、文化、心理、习俗等复杂多变的综合因素密切相关的。
Objective To investigate the origin of childhood B-cell acute lymphoblastic leukemia ( B-ALL ) and its epitopes recognized by cytotoxic T lymphocytes ( CTL ) in immunoglobulin heavy chain variable region ( IgHV ). 目的探讨儿童急性B淋巴细胞白血病(Ball)的起源及其免疫球蛋白重链可变区(IgHV)上可被细胞毒性T淋巴细胞(CTL)识别的表位(epitope)。