corona

英 [kəˈrəʊnə]

美 [kəˈroʊnə]

n.  (尤指在日食或月食期间的)日冕，日华，月华

复数：coronas　

计算机

BNC.35293 / COCA.17199

牛津词典

noun

• （尤指在日食或月食期间的）日冕，日华，月华
  a ring of light seen around the sun or moon, especially during an eclipse

柯林斯词典

• 日冕;日华
  The sun'scoronais its outer atmosphere.

英英释义

noun

• a long cigar with blunt ends
• (anatomy) any structure that resembles a crown in shape
• the outermost region of the sun's atmosphere
  Synonym:aureole
• one or more circles of light seen around a luminous object
• an electrical discharge accompanied by ionization of surrounding atmosphere
  Synonym:corona dischargecorposantSt. Elmo's fireSaint Elmo's fireSaint Elmo's lightSaint Ulmo's fireSaint Ulmo's lightelectric glow
• (botany) the trumpet-shaped or cup-shaped outgrowth of the corolla of a daffodil or narcissus flower

双语例句

• Influence of Air Pressure and Humidity on Positive DC Corona Streamer Pulse Characteristics
  气压和湿度对正直流电晕流注脉冲特性的影响
• The corona or brush discharge, would transfer from point to point.
  电晕放电和刷毛状放电只是从放电点处逐个地发生。
• In the region where the corona exists, large numbers of positive and negative ions are formed.
  在存在电晕的区域，形成了大量正离子和负离子。
• Corona surface treatment with high voltage discharge modifies only the surface characteristics without affecting material bulk properties.
  电晕表面处理与高电压放电修改只是表面特性在不影响材料的大量财产。
• Corona is one of key problems in the design and operation of transmission lines.
  电晕是输电线路设计和运行中需考虑的重要问题之一。
• The corona surface treatment system is available with a single or double electrode head;
  电晕表面处理系统可提供单一或双电极头；
• Test results show that the corona's onset and breakdown voltage both rise with increasing OD of the nozzle.
  结果表明：喷嘴外径增大，起晕电压和击穿电压升高。
• The gas transfer process of SO2 in the corona discharging electric field is studied.
  研究了SO2在放电电场中的气相传质过程。
• It was indicated that the corona discharge treatment was necessary in some applied field of polyester film.
  讨论了聚酯薄膜电晕处理及其应用的关系，指出在一些应用范围电晕处理的必要性。
• The characteristics of the magnet enhancement corona discharges and their functions for charging particles are introduced.
  介绍磁增强电晕放电的特性及其对颗粒荷电的性能。