Etiquette refers to people in relation to others in the course of the elementary qualities, communication abilities.
社交礼仪是指人们在人际交往过程中所具备的基本素质，交际能力等。
At one time, urban neighbor was the major place where the resident of our country live and exchange, also the important carrier of urban city elementary social relation.
曾经，城市邻里是我国城市人群生活与交流的主要场所，是城市初级社会关系的重要载体。
Soil moisture curve is elementary curve that shows the relation between potential energy and the content of water soil and analyses retaining and transporting in soil water belt.
土壤水分特征曲线是表征土壤中水的含量与势能之间的关系，是研究包气带土壤水分的保持和运移所用到的基本特性曲线。
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