impaction

英

美

n.  压紧；装紧；嵌入

医学

COCA.43418

英英释义

noun

• a sharp collision produced by striking or dashing against something
  Synonym:impingement
• a disorder in which a tooth is so crowded in its socket that it cannot erupt normally
  Synonym:impacted tooth
• a disorder in which feces are impacted in the lower colon
• the condition of being pressed closely together and firmly fixed

双语例句

• Effects of Permanent Premolar Germ During Primary Molar Orthodontic Movement and Its Mechanisms in Dog; The most significant variable related to third molar impaction is inadequate space for tooth eruption.
  正畸移动狗乳磨牙对其恒前磨牙牙胚的影响及机制的探讨大多数阻生的下颌第三磨牙磨牙后间隙牙冠近远中径比值小于1。
• Seismic Response Analysis of Underground Structures in Soft Soil and the Evaluation of Environmental Impaction
  软土地下结构地震反应及其环境影响评价
• In this paper the concept and active impaction on economy of timeshare were introduced.
  介绍了“分时度假”的概念及其对经济发展的积极作用。
• Study on Tax's Impaction to Optimization of Capital Market Structure in China
  税收与我国资本市场结构优化问题的研究
• What is the impaction on accounting information relevance?
  对会计信息价值相关性的影响如何？
• The nonlinear features of waste deformation and its impaction on strata movement
  矸石变形非线性及其对岩层移动的影响
• The observation group, 21 cases of food impaction flexible appliance was used combined with periodontal treatment.
  观察组21例采用弹性食物嵌塞矫治器联合牙周治疗。
• The Impaction of Rural Laborers 'Human Capital to Life Satisfaction
  城市农民工人力资本对生活满意度的影响研究
• The present study status of impaction of heavy metal in water to human health was introduced, and also environmental countermeasures and study directions of drinking water security were presented.
  介绍水体中重金属对人体健康影响的研究现状，并提出了饮用水安全环境对策。
• It is universally acknowledged travel produces enormous impaction on a nation's culture.
  全世界普遍认为旅游会对一个国家的文化产生巨大影响。