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Remarkable progress has been made in numerical simulation of aeolian ripple over the last more than twenty years.

风成沙纹的数值模拟研究已取得了不少进展，但各家所采用的模拟方法及模拟结果存在不少差异。

Aeolus Tyre said off-road tire shipments to the U.S. made up just 0.6% of its total export value last year.

风神轮胎称，去年向美国交付的非公路轮胎仅占总出口额的0.6%。

Based on these algorithms, we design and implement the 3D visual simulation software to plan and design aerial photography missions. At last, an example is given out.

针对航摄工作的需求，本文在可视化仿真算法研究的基础上，设计并初步实现了一个基于三维可视化仿真的航摄任务规划系统，并利用模拟数据对系统进行了测试。

"Big guys" weapons have been introduced earlier, and when the last one to drive away the time, flying the "XXX annihilation machine","XXX fighter","XXX aerial refueling tanker," which waves of deafening roar of the motor to tell people of the world: China stand up!

"自己伙"兵器后面曾经先容功了，应最初一辆谢走的时分，飞往了"XXX剿灭机"，"XXX战役机"，"XXX地面添油机"，那一阵阵振聋发聩的马达轰叫声告知了世界国民：西邦坐讫去了！

This aerodynamic bike that has great potential, in the article, the last of its prospect.

本文认为气动自行车具有很大的应用潜力，在文章最后对它的前景进行了展望。

Two-equation turbulence model is used in numerical simulation for the side-air burner, compared with the practical measures and tests, good accordance achives. This method can bring great convenience in analyzing aerodynamical field of boiler. Secondly the method of XRD is used in analyzing the phase transformation in the course of dynamic slagging test, so we can describe the process of slagging comparatively accurately. Last this paper introduces a kind of fuzzy mathematics model which comprises an assemblage combined by seven change factor.

本文首先采用k—ε双方程模型对水煤浆侧边风燃烧器进行了数值模拟，并与实际锅炉燃烧器冷态调试试验结果对比，结果吻合较好，这为我们分析炉内空气动力场特性提供了参考；其次对锅炉结渣动态特性试验，采用XRD的分析方法，较为准确的描述了实际锅炉结渣的过程；最后为了准确的判断出水煤浆的结渣倾向，本文对锅炉结渣的七个影响因素提出了模糊综合判断模型，正确的反映出了该水煤浆的结渣倾向。

Firstly the k-e two-equation turbulence model is used in numerical simulation of the flow field ,compared with the practical measures and tests, good accordance achives. This method can bring great convenience in analyzing aerodynamical field of boiler. Secondly the method of ash-composition, ash-melting-point, XRD is used in analyzing the phase transformation in the course of dynamic slagging test, so we can describe the process of slagging comparatively accurately. Last this paper introduces a kind of fuzzy mathematics model which comprises an assemblage combined by seven change factor.

接着采用标准k—ε双方程模型对炉内冷态空气动力场进行了数值模拟，并与实际锅炉燃烧器冷态调试试验结果对比，结果吻合较好，这为我们分析炉内流场提供了参考；其次对锅炉静态、动态特性试验，采用灰成分分析、灰熔点测试及X光衍射物相分析方法，较为准确的描述了实际锅炉结渣过程；为了准确的判断出水煤浆的结渣倾向，本文对锅炉结渣的七个影响因素提出了模糊综合判断模型，正确的反映出了该水煤浆的结渣倾向。

Q: You've had some problems with both aerodynamics and also tyres at the last race as well.

问：你在上一场比赛中空气动力学和轮胎都出了点问题。

At last, some aeronautic model project is presented as an example, which shows that the method can solve the above-motioned two problems.

最后，以某航空型号项目为应用实例，介绍了该方法的应用过程。

Aeschylus traveled to Sicily several times during his life, and on his last voyage he did not return.

在埃斯库罗斯一生中，他曾数次前往西西里岛，当最后一次踏上那的土地，他就再也没有回来。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。