constriction

英 [kənˈstrɪkʃn]

美 [kənˈstrɪkʃn]

n.  规定; 限制; 制约

复数：constrictions　

医学

BNC.20596 / COCA.23094

柯林斯词典

• See also:I hated the constrictions of school.constrict

英英释义

noun

• the action or process of compressing
• a tight feeling in some part of the body
  1. he felt a constriction in her chest
  2. she felt an alarming tightness in her chest
  3. emotion caused a constriction of his throat
  Synonym:tightness
• tight or narrow compression
  Synonym:coarctation
• a narrowing that reduces the flow through a channel
  Synonym:bottleneckchokepoint

双语例句

• Relating to, causing, or regulating constriction or dilation of blood vessels. In some specific systole controls a cost, diastolic pressure is lower, pressing of arteries and veins is bigger, cardiovascular ill risk is bigger.
  血管舒缩的，影响血管舒缩的与血管的缩小或扩张有关的，导致或控制血管缩小或扩张的在某一特定收缩压值，舒张压越低，脉压越大，心血管病危险越大。
• Thus stimulation of one retina will normally invoke pupillary constriction in both eyes.
  刺激一侧视网膜可引起双眼的瞳孔收缩。
• Effect of spinal glutamate transporter 1 on chronic constriction injury of sciatic nerve and morphine tolerance of rats
  脊髓谷氨酸转运体1对大鼠坐骨神经慢性压迫损伤及***耐受的影响
• The patient feels a constriction in the chest.
  病人胸部有压迫感。
• Without undue constriction as from e.g. tenseness or inhibition.
  没有不适当的压缩的，例如紧张或限制。
• Fluid flow through tubes with local constriction has many applications in engineering and biomedical science.
  局部狭窄圆管内的流体流动，在工程和生物医学中具有许多应用背景。
• The changes of macrophages and dendritic cells in intima between upstream and downstream of abdomial aorta constriction in atherosclerotic rabbits
  粥样硬化兔腹主动脉缩窄近端和远端内膜巨噬细胞与树突细胞的变化
• There was a certain constriction in his throat.
  他的喉部有某种被堵住的感觉。
• Besides bandwidth problems, we have noticed that putting resistors in series with the sound signal always results in dynamic constriction and loss of details.
  此外带宽问题，我们注意到，在与声音信号的动态收缩总是和细节损失将电阻一系列成果。
• In this paper, the method of region constriction for global optimization is proposed.
  对求解无约束最优化问题，本文给出了一个区间压缩方法。