corona单词什么意思_corona单词解释 corona的反义词corona的例句

名词日冕，日华

1. 电晕：还有一种方法实现就是在模具阶段做零件表面皮纹(TEXTURE)时件外表面光滑,内表面用粗糙纹路,但对模具有要求,因为粗纹理拔模角大. 2. 表面处理(必要时) 电晕(corona)放电处理,紫外线照射处理等

2. 电晕放电：电力公司现行不停电检测方式(Non-outage Tests)包括:电晕放电(corona)是一种局部化的放电现象(localized discharge),是由于绝缘系统的局部电压应力超过临界值所产生的气体电离化(gaseous ionization)现象.

1. 日冕;日华
    The sun's corona is its outer atmosphere.

七彩网·英语单词

noun

1. a long cigar with blunt ends

2. (anatomy) any structure that resembles a crown in shape

3. the outermost region of the sun's atmosphere
    visible as a white halo during a solar eclipse

    Synonym: aureole

4. one or more circles of light seen around a luminous object

5. 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

6. (botany) the trumpet-shaped or cup-shaped outgrowth of the corolla of a daffodil or narcissus flower

3. 七彩网·英语单词大全