As an important natural resources and social factor of production, land has been considered as the foundation and activity base of human life since ancient times.
土地自古以来就是人类的衣食之源，同时它作为重要的自然资源和社会生产要素，也是人类生产和生活不可或缺的活动基地。
The social factor became the first cause of cesarean section.
剖宫产指征中社会因素上升到首位。
Mainly from analysis and summary in personal factors, school factor, social factor and so on.
主要从个人因素、学校因素、社会因素进行总结分析。
The personality construct is result of interaction on the biotic factor and the social factor.
人格的建构是生物因素和社会因素交互作用的结果。
MAIN OUTCOME MEASURES: Correlation among depression, anxiety, physical factor and social factor of patients with cerebral infarction.
主要观察指标：抑郁、焦虑与脑梗死患者躯体因素及社会因素的相关性。
Result and Conclusion: the first cesarean section reason in city is social factor, the first reason in the mountain area is head dystocia.
结果与结论：城市剖宫产第一位原因为社会因素，山区第一位的为头位难产。
The factors for American suburbanization are many, including technological factor, economic factor, environmental factor, and social factor.
推动美国城市郊区化的动力机制是多方面的，包括技术的、经济的、环境的和社会文化的因素等。
Present paper analyzes the three main context factors that influence language communication, i. e. social factor, cultural factor and knowledge factor.
从语境与意义理解的关系看，影响语言交际有三大语境因素。
The reasons of the medical dissension and litigation in neurosurgery were analyzed, including the social factor, the economic factor and the iatrogenic factor.
作者分析了神经外科领域发生医疗纠纷的社会原因、经济原因和医源性因素。
Have put forward four major factors of influencing the entry tourist's travel decision behavior: Cultural factor, social factor, personal factor, psychological factor.
提出了影响入境旅游者旅游决策行为的四大因素：文化因素、社会因素、个人因素、心理因素。
Second part: Mainly discussed the comprehensive factors, which will affected the interaction between the elderly and the products, including: Physiological factor, psychological factor, social factor.
第二部分：主要分析了影响老年人与产品交互的主要因素，具体包括：生理因素、心理因素、社会因素。
Second part: Mainly discussed the comprehensive factors, which will affected the interaction between the elderly and the products, including: Physiological factor, psychological factor, social factor.
第二部分：主要分析了影响老年人与产品交互的主要因素，具体包括：生理因素、心理因素、社会因素。
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