swallow tail rule scrapping plate 燕尼尺刮制平板
swallow-tail twin 燕尾双晶
swallow-tail way 燕尾导轨
shocking swallow-tail coat 令人震惊的燕尾大衣
swallow-tail joint 燕尾接合
swallow tail joint 燕尾接合
swallow-tail 燕尾服
N any of various butterflies of the genus Papilio and related genera, esp P. machaon of Europe, having a tail-like extension of each hind wing: family Papilionidae 燕尾状物
The design principle of blackbody swallow tail cavity is discussed, its blackbody simulating mathematic equations and the geometric parameters of cavity are given.
讨论黑体燕尾腔的设计原理，写出它的黑体模拟数学式，给出适用腔体的几何参数。
For the first 3-6 months, you really shouldn't worry about turning or doing maneuvers, so whether your board is a swallow tail or a pintail or even if it only has one fin is really pointless.
开始的3 - 6个月里，你不用过于担心转弯和制动，因此不管你的板子是燕型板尾，鸭尾型或者只有一个尾鳍这都不是要点。
Here you can see the rounded saddle-back style houses typical of regional working and farming classes and, in the background, the pointed, swallow tail roofs that were once the reserve of the gentry.
在那里你会看到圆形的想马鞍形状的房子，区域工作和农业阶层的建筑代表。在屋子的后面，尖尖的燕尾状的屋檐让人想起了绅士的装扮。
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