When the rudder is the uncontrollable surface, a method which designs the aileron channel control law only is proposed to make the UAV step out the spiral motion.

In the end, the design and realization of the UAV spiral motion controlling software package which is based on the VC++ and Matlab are proposed.

最后，本文给出了基于VC++与Matlab混合编程的无人机螺旋运动控制软件包的设计与实现。

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And the infinitesimal spiral motion of a particle is defined as the instantaneous mo-tion of the particle.

定义质点的无穷小空间螺旋弧运动为质点的瞬时运动。

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Based on the analysis of industry helical motion, spiral motion model is established, and a "total error" concept is proposed for its error analysis.

本文在对工业螺旋运动理论分析的基础上，建立了螺旋运动的数学模型，并对其误差进行了分析，提出了螺旋运动全误差的概念。

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A new understanding of mantle motion: mantlemass spiral motion

地幔运动新认识&幔团螺旋运动

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Spiral motion control and simulation of buoyancy-driven underwater vehicle

浮力驱动式水下航行器螺旋线运动控制与仿真

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And beginning a spiral motion in part of the storm.

并且在风暴中央开始旋转。

provided by jukuu

This is also one form of low-grade spiral motion of the earth.

这也是地球螺旋运动的低层次之一。

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Spiral Motion Accuracy and the Sensor For its Dynamic Measuring

螺旋运动的精度及其动态测试传感器

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New Processes for Spiral Screw Molding and Die Design

螺旋叶片冲压成形新工艺及模具设计

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Carbon nanotubes ( CNTs) have attracted great research interest due to their unique structures and outstanding mechanical properties, which have been investigated for numerous applications such as composites.

碳纳米管（CNTs）独特的结构特点和优异的物理力学性能使其在复合材料等领域有着广泛的应用前景，已成为目前科学界的研究热点之一。

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So, scientists are seeking other fully new computers such as artificial neural network computer, quantum computer, optimal computer as well as DNA computer. Among them, the DNA computer has been paid much more attentions by scientists in recent fifteen years.

基于这一原因，科学家们正在寻找其他全新的计算机结构，如人工神经网络计算机、量子计算机、光学计算机以及DNA计算机，其中DNA计算机近十五年来倍受科学界的关注。

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Yan is a rising star in the science world.

颜是科学界的新星。

中考真题- 2019 陕西 阅读B

Along with triple play service delivery develop and Web standard gradually unified, a new service-oriented computational model appears, Web services composition as a new software service form, obtained the high speed development and progress, caused the scientific community and the business world attention.

随着三网合一的有效推进和Web标准的逐步统一，Web服务组合作为一种新的软件服务形式，得到了高速的发展和进步，并引起了科学界和商业界的极大关注。

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Through the introduction of the dramatic discovery and development of RNAi techniques, we can see RNAi has enormous effects on molecular biology and even the whole life science as well.

通过介绍RNAi技术富有传奇色彩的诞生和发展过程以及它对分子生物学乃至整个生命科学界产生的巨大作用，认识到RNAi是多学科联合发展的结果。

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As in many other fields, gender bias is widespread in the sciences.

与许多其他领域一样，性别偏见在科学界普遍存在。

四级真题- 2017年 12月 3卷 阅读B

In recent years, along with the rapid development of network technology, coincided with the progress of science and business, Internet data shows exponential growth trend, so more and more data need distributed storage.

最近几年，随着网络技术的飞速发展，同时伴随着商业界和科学界的进步，Internet上的数据呈现出指数增长的趋势，越来越多的数据需要分布式存储。

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Moreover, cancer is the first killer to cause the destruction of DNA and to threaten human's life. And it becomes the object of the study in the life-science field.

而肿瘤疾病是造成DNA损伤、威胁人类生命的第一大杀手，自然而然就成了科学界研究的目标。

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A spirit of openness is gaining acceptance in the science community, and is the only way, say advocates, to address a 'crisis' in science whereby too few findings are successfully reproduced.

开放的精神正在科学界获得认可，倡议者说，这是解决科学“危机”的唯一途径，在这个危机中，很少有发现能够被成功复制。

六级真题- 2017年 12月 2卷 信息匹配

Thereafter, the development of VR ( Virtual Reality) technique, which was a synthesis of multiform technology including multimedia, visualization and GIS etc., lead to another new tide in scientific domain.

其后，集多媒体、可视化和地理信息技术等多种技术于一体的虚拟现实（virtual Reality，简称VR）技术的蓬勃发展又在整个科学界掀起了一次新浪潮。

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I do not accept that there is any kind of crisis in British science

我不相信英国科学界有什么危机。

柯林斯高阶英汉双解学习词典