swallowtail

Colorful gerbera daisies highlight the rich coloration of a spicebush swallowtail butterfly .

大自然的图案：蝴蝶。华美的非洲菊加亮这富有的着色的洋腊梅燕尾蝶。

Swallowtail Catastrophe Analyses and System Analyses on Pest Population Dynamic Model

害虫种群动态模型的燕尾突变分析及系统分析

Failure Mode and Basic Characteristics of Compressor Disk and Blade by Swallowtail Connection

压气机盘片燕尾形连接破坏模式及其特征的研究

Photoelastic study of dynamic stress concentration at swallowtail on hammer forging die

锤锻模燕尾动态应力集中的光弹性研究

A study in fauna and ecological distribution of swallowtail in Hainan Island

海南岛凤蝶的区系与生态分布的研究

Principle and Method on Measuring Swallowtail Fit Angle with Sine Protractor

正弦规测量燕尾配合件角度的原理与方法

Finite Element Analysis on Swallowtail Strcture of Drop Hammer Dies

锤锻模燕尾结构有限元分析

The citrus swallowtail , beautiful and animate , gave happiness to this family .

美丽而富有生气的柑橘凤蝶，给这个家带来了欢乐。

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。

At the other end of the scale , one of the largest swallowtail butterflies lives in Jamaica .

在这个范围的另一端，最大的凤尾蝶之一生活在牙买加。

The basic fatigue failure characteristics have been analyzed according to the stress analysis and simulation test under inhomogeneous swallowtail between compressor disk and blade .

分析了非均匀接触下燕尾形榫头连接的应力状态，并借助于模拟试验，提出了非均匀接触导致疲劳破坏的基本痕迹特征。

I saw a tiger swallowtail butterfly .

我看见一只虎斑燕尾凤蝶。

Importing swallowtail trough model method and utilizing the technique of minimum radius control point , parametric design is realized based on feature on prismatic-formed turning tools .

采用导入燕尾槽模型的方法，利用最小半径控制点技术实现了棱体成形车刀的基于特征参数化设计；

A catastrophe potential function , which has the same form of swallowtail catastrophe , was obtained by dimensional normalization and diffeomorphism .

基于能量平衡方程建立了热烟气层轰燃模型，经量纲归一化和微分同胚变换，得到属于燕尾突变的势函数。

That night we stayed in Qionglin , an old village whose ubiquitous sweeping swallowtail roofs were a symbol of its former wealth and status .

当天晚上，我们住在琼林古村（Qionglin），这儿随处可见扫燕尾屋顶的房屋，它们曾是本地财富与身份的标志。

The instabilities of the rock mass slope with regular weak intercalated layers are discussed ; and a slope of swallowtail catastrophe model with the catastrophe theory is established .

针对含软弱夹层岩体边坡失稳问题，考虑软弱夹层的应变弱化特性，运用突变理论方法，建立燕尾型突变模型。

The actual connection area S ′ should be greater than Pb / ( 2 σ 0 . 2 sin α 2 ) in order to avoiding the fatigue failure due to uneven swallowtail connection .

为避免非均匀接触导致的疲劳破坏，盘片燕尾形连接的实际接触面积S应大于Pb/（2σ0.2sinα2）。

Patterns in Nature : Butterflies Colorful gerbera daisies highlight the rich coloration of a spicebush swallowtail butterfly ( Papilio troilus ) .

蝴蝶在自然界的模式。华美的大丁草雏菊突出其富有的染色――西美腊梅燕尾蝴蝶。

In this study , the swallowtail catastrophe model of population dynamics is build based on catastrophe theory , considering crop conditions , weather factors and predators as three kinds of control variables and pest population as the state variables .

因此，本研究根据突变理论知识，以作物状况、气象因素及天敌为3种控制变量，以害虫种群数量动态为状态变量，构建了符合种群动态规律的燕尾突变模型。

I watched the locals praying at the Matsu Temple , dating from the late 16th century , with its stunning woodcarvings , sweeping swallowtail roof and a palpable sense of the eternal .

我看到当地人在妈祖庙（MatsuTemple）里祈祷，扫燕尾屋顶的妈祖庙始建于16世纪末，庙里的木雕工艺巧夺天工，宁静悠长的历史感触手可及。

However , due to the complexity and mutation of environmental factors , the existing fold and cusp catastrophe model can only describe the types of pest population dynamic with 1 or 2 control variables . However , swallowtail catastrophe model can describe catastrophe phenomenon under three control variables .

然而由于环境因素的复杂性和突变性，现有的折迭、尖角突变模型仅能描述具有1、2种控制变量的害虫突变现象，而燕尾突变模型能描述3种控制变量下的害虫突变现象。