Over the years, flight delay problem has plagued air carriers and become the emphasis complained by the civil aviation p......

【Abstract】Due to different social systems， economic development and cultural phenomenon in Chinese mainland， Hong Kong a......

Abstract: Teamwork is an arrangement where parties agree to cooperate to advance their mutual interests. Students should......

如果让你搭乘直升飞机绕城观看一圈,你能记下所有建筑物并把它们画出来吗?当然不可能啦!人的大脑怎么可能在这么短的时间内记住这......

We investigate the on-line writing identical fiber Bragg grating (FBG) arrays using the phase mask technique. Given the ......

Abstract：With the development of economics， it is a popular topic about how to expand market in global economy. And this e......

1.两词同义并可换用,但although语气较重,通常放在句首,并用于正式场合。　　例如:　　I’d quite like to go out, (al)though it......

My friend Angela and I have different hobbies.　　Angela is my good friend.　　She likes drawing very much.　　Look！ This......

It is very important to measure local deformations for an in-depth understanding of mechanical properties and fracture m......

The specification of authorization policies in access control models proposed so far cannot satisfy the requirements in ......

1 听到这消息我很高兴。　　I’m glad to hear that.　　I’m happy you told me.　　That’s great to hear.　　2 我从没有这么......

▲谢丹娜　　Hello！ My name is Sally. Here is a photo of my school life. Look at this photo. Kate is watching TV with his ......

Chinese people like fans, not only for their cooling function, but also for the culture they reflect. In Chinese traditi......

Based on the elastic-plastic large deformation finite element formulation as well as the shell element combined discret......

A theory of a novel optical filter of drawing the fiber Bragg grating by the heated elastic sheet is advanced. Based on ......

Hello， we are ostriches（鸵鸟）. We come from Africa（非洲）. We are the biggest birds in the world， about 3 meters tall！　　Our fe......

Look at the funny pictures and read the sentences. You will find it easy to remember the words and their sounds!...

The Gurson-Tvergaard-Needleman(GTN) damage model was developed basing on anisotropic yield criterion to predict the dama......

I’m a sunny girl. I have a lot of hobbies such as reading，writing，drawing，singing，playing table tennis. And I like playing ......

My name is Angel. I’m a lovely girl. I’m in Class Three，Grade Six. I have many hobbies. I like drawing and reading. I a......

Different people have different hobbies. Some like dancing，some like singing and others may like collecting things.　　I ......

I have a good friend.　　Her name is Du Yufei.　　She’s a nice and lovely girl.　　We have the same hobbies.　　We both......

The importance of brush principle in Chinese painting techniques isself-evident,but one significant problem is how to ex......

Using GIS, GPS and GPRS, a dynamic management system of ore blending in an open pit mine has been designed and developed......

By connecting the 5 vertices of K5 to other n vertices, we obtain a special family of graph denoted by Hn. This paper pr......

为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......

Magnesium alloys have, in recent years, been recognized as highly promising biodegradable materials, especially for vasc......

The microstructure, texture characteristics and torsion ability of two kinds of steel wires were investigated. The eutec......

Aiming at the issues in quick processing and modeling design of drawing special-shaped tube die, by Conformal Mapping Th......

3D solid models for parts with regular-form surfaces (PRFSs) are effectively generated using traditional parametric desi......

Cu-6%Fe (mass fraction) microcomposites containing (0-0.30)% rare earth elements were prepared by cold drawing and inter......

世界各国都面对着信息化社会、数学发展以及人才培养的新需要。各国数学教育，不是孰优孰劣的问题，而是相互借鉴、取长补短的问题。国......

The crossing number of cartesian products of paths and cycles with 5-vertex graphs mostly are known,but only few cartesi......

黄慎是"扬州八怪"代表画家之一.其最主要的艺术成就表现在人物画方面.中国绘画史上.黄慎创造性地以"草书入画",在线描手法上突破了......

目的为了提高侧围外板成形裕度,降低拉延开裂风险。方法运用CATIA软件设计了侧围外板精细化工艺模面,并借助AutoForm软件对侧围外......

疫情期间,笔者对“一带一路”来华留学生进行了《Civil Engineering Drawing》课程的双语教学,在这个过程中发现了一些问题并进行......

在上世纪五十年代初,Zarankiewicz猜想完全2-部图K_(m,n)(m(?)n)的交叉数为[(m/2)][(m-1/2)][(n/2)][(n-1/2)](对任意实数x,[x]表......

由于工科类学生在入学前基本没有任何美术基础,很难适应像素描这样艺术性、技术性较强的课程的学习。加之课程设置不够合理,教学目......

在进行悬臂施工预应力混凝土连续梁桥设计时,绘制预应力钢束施工图纸面临繁杂的钢束数据,人工绘图劳动强度大、效率低、质量也无法......

文中研究了拉拔变形及退火处理对铜合金显微组织、力学性能和导电性能的影响，并进行了强化机理分析。结果表明，处理后材料具有较高的......

针对汽车覆盖件形状复杂、成形性难以凭经验估计的问题，提出采用有限元数值模拟方法，对车门内板拉延工序进行成形性预测．通过一步法计......

介绍了急停系统在拉伸线安全生产中的作用及原理,并对实际当中出现的问题进行了总结.急停系统直接切除了动力电源,同时在PLC程序中......

介绍了闭环矢量控制中速度信号的精确和稳定的必要措施....

公路是一条带状的三维空间结构物,为了道路设计和施工的需要,要对道路进行测量,然后根据测得的数据,绘制出如下道路工程图,包括道......

提出了一种采用模拟切削来绘制精确齿轮廓线的方法，它是基于ＡｕｔｏＣＡＤ根据范成法切削齿轮 的原理在计算机上模拟“切削”出一个精确的齿轮廓......

介绍了在Pro/E2001软件的Pro/DETAIL模块中,用中文字体快速实现零件自动标序以及生成明细表的特殊功能.通过实例给出了这种特殊功......

介绍了以AutoCAD工程图模型为基础、使用其API函数实现程序报表的研究与开发。该程序解决了在AutoCAD中手工创建汇总报表的问题,有......

拉深是冲压成形中最基本的成形工序之一，对于拉深系数小于极限拉深系数的工件来说，为防止变形拉裂通常需要多次拉深成形工序，在每次拉......

阐述了精梳后单并是当代纺纯棉精梳纱的发展方向，与传统二并工艺纺纱质量无差异，而在毛羽、伸长等指标甚有过之。介绍了“冗余度”的......

为了更好的控制转杯纺成纱中的细节，提高成纱质量，采取多台混和减少条子不匀极差，定置定位控制意外牵伸，合理选用喇叭口直径减少摩擦造......