swallowtail meaning in Chinese
n.
1.燕尾；〔口语〕燕尾服。
2.燕尾旗的末端；【动物；动物学】凤蝶；燕尾鸢；【木工】燕尾榫，鸽尾榫；【筑城】燕尾外障，(炮台外面的)燕尾形外堡；有倒钩的箭头。
短语和例子
adj.
燕尾形的。
Examples
- A magnified shot shows the head of a tiger swallowtail butterfly larva
这个放大的照片显示一只凶猛风蝶幼虫的头部。 - The beautifully colored wings of african swallowtail butterflies manipulate light using engineering tricks similar to those found in digital displays
科学家发现，非洲燕尾蝶漂亮的双翅处理光线的原理竟然与数码显示器的原理相类似。 - While studying the wings of swallowtail butterflies , researchers discovered that there were a lot of similarities between the scale coverings and leds
科学家在研究非洲燕尾蝶的时候，发现其翅膀上的鳞状覆盖物和发光二级管之间拥有很多相似的地方。 - The sheer wall is made of bricks and covered with paint . swallowtail ridges are found in both the front and rear halls connected with a horseback - shaped flush gable and a round - ridged hip interior roof
前后殿为燕尾屋脊，中间连接马背，内为卷棚顶；三川殿系单檐重脊的三川脊。 - ( 2 ) the causation that the caustic phenomena of electromagnetic wave propagation in two - dimension concave reflectors occurs and the types of singularities in caustic fields are investigated , and the conclusion that there are two types of singularities ( fold and cusp ) in caustic fields in two - dimension concave reflectors is obtained ; by symplectic geometrical method , formulations of computing wave fields in and far away from caustic fields in two - dimension concave reflectors are deduced , and the results are plotted in pictures . ( 3 ) the cause of the caustic phenomena of electromagnetic wave propagation in three - dimension concave reflectors and the types of singularities in caustic fields is discussed , and the conclusion that there are three main types of singularities ( fold , cusp and swallowtail ) in caustic fields in three - dimension concave reflectors is obtained ; by symplectic geometrical method , the formulae of computing wave fields in and far away from caustic fields in three - dimension concave reflectors are deduced . particularly , the wave fields in ellipsoid concave reflector are computed , and the results displayed in special sections are given
论文主要包括三个方面： ( 1 )分析了凹面反射的焦散现象，给出了不同凹面反射的焦散图； ( 2 )分析了二维凹面反射波动场焦散现象产生的原因及焦散区奇性的种类，得出了二维凹面反射波动场焦散区奇性主要有折叠( fold )和尖点( cusp )两种的结论，利用辛几何方法构造了圆锥曲面反射波动场非焦散区和焦散区的通用计算公式，并给出了圆柱面、椭圆柱面及双曲柱面反射的计算结果； ( 3 )分析了三维凹面反射波动场焦散现象产生的原因及焦散区奇性的种类，得出了三维凹面反射波动场焦散区奇性主要有折叠（ fom 、尖点kusp和燕尾k ）三种的结论，提出了利用辛几何方法计算三维凹面反射波动场非焦散区和焦散区的计算方法，并给出了三轴不等椭球体凹面反射波动场的计算结果剖面图。