shield angle 中文意思是什麼

shield angle 解釋
屏蔽角
  • shield : n 1 盾；盾牌。2 罩；屏；屏蔽。3 防禦物；保護物。4 防禦；保護。5 保護者；庇護者[人]。6 盾形物；【...
  • angle : n 【英史】盎格魯人〈cf Angles〉。n 1 角，隅，角落；棱，嬗角。2 【數學】角，角位，角的度數。3 【機...
  1. In chapter 2, basic concepts, the author firstly gives a definition and discrimination on the connotation, characteristic and spatial structure of the key concept - " tourism region ". secondly, he set forth the connotation, category and factors that affect spatial competition among tourism regions in a systematic way. and thirdly, from the angle of tourism balance between supply and demand, the author divides spatial competition among tourism regions into two types - " spatial deformation " and " spatial shield ", and proposes structural pattern of factors that affect spatial competition among tourism regions

    第二章基本概念部分，對核心概念旅遊區域的內涵、特徵、空間結構等進行了界定；對旅遊區域空間競爭的內涵、類型及其影響因素進行了系統闡述，並從旅遊供需平衡的角度，把旅遊區域的空間競爭分為「空間變形」與「空間屏蔽」兩種類型，提出了旅遊區域空間競爭的影響因素結構圖式。
  2. Application of false - inclined flexible shield mining system in coal face with seam pitch less than rest angle of waste

    偽斜柔性掩護支架採煤法在煤層傾角小於矸石安息角工作面的應用
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