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These areas protect many species of mammals, birds, amphibians, reptiles, fresh and salt-water fish, and a vast number of identified vascular plants-representing 4% of the world's total floral and faunal species.

这些保护区的许多种哺乳动物，鸟类，两栖爬行类，新鲜咸水鱼而大量发现维管束植物--占4%，世界总的植物和动物物种。

This thesis investigates the profile extraction and shape optimization on the result of topology optimization of planar compliant mechanisms. The main context includes the following work:(1) summarizing and analyzing the recent research status, some harvest and unsolved problems;(2) analyzing the conceptual design of planar path-generating compliant mechanisms and its mathematical model and tools;(3) Modifying the method of density contour as the method of profile extraction, and developing a method to optimize the density function in the profile extraction according to the requirement of the design of compliant mechanism;(4) developing a method to abstract the compliant mechanism into a form of links and joints by using the principle of connectivity on topology;(5) developing a method of shape optimization of planar path-generating compliant mechanisms, by representing the profile of the abstracted compliant mechanism as simple curves such as straight lines and arcs, establishing the models of the size optimization of the parameters of these curves, so that the compliant mechanism has a machinable shape;(6) At last, proving the feasibleness and effectiveness of the design method by making simulation design and validating it in FEA software.

主要工作包括：(1)分析了柔顺机构拓扑优化和形状优化的研究现状，分析了目前柔顺机构的研究重点、主要成果和尚未解决的问题；(2)分析了基于SIMP的柔顺机构概念设计方法及其相关工具和模型；(3)针对柔顺机构轮廓提取的特殊要求，提出了密度等值线法的改进方案，对密度函数插值点密度值进行优化，提出优化模型和选择优化算法；(4)根据轨迹输出平面全柔顺机构自身的形状特点，提出了轨迹输出平面全柔顺机构的抽象方法，即应用拓扑学上的连通性原理将柔顺机构抽象成杆件和结点形式，并对相应的数学原理进行了证明；(5)提出了平面全柔顺机构的形状还原和尺寸优化方法，对抽象的柔顺机构进行还原，将其轮廓还原成简单曲线的连接，从而建立尺寸优化模型，对机构进行尺寸优化设计，在得到可加工的机构轮廓的同时又能对关键部位进行特别处理；(6)进行了柔顺机构的数值仿真设计，并将所得设计结果导入商用有限元软件中进行仿真实验，证明了设计方法的可行性和有效性。

The challenge of well-representing imagery content elements in a user interface is often to provide adequate metadata-driven tools to allow enhancing images with meaning; take tagging people at Facebook as an example, which turns photos into something findable.

想要在用户界面中使用图片来很好的表现内容，难点往往在于提供合适的元数据驱动的工具去增强图片所代表意义。比如Facebook上给人增加标签的功能，它把照片变成了某些可发现的东西。

Headquarters is located in Beijing,"Where to go to " those who representing Chinese online tourism to develop flourishingly is important one pace.

总部位于北京，&去哪儿&代表着中国在线旅游业蓬勃发展的重要一步。

The four development stages of the implication of karst can be divided into:(1) before the 18th century karst is a geograhpical name representing the presenting stony, waterless and forestless landscapes like a desert,...

喀斯特含义的发展可分为四个阶段，即 18世纪以前作为地方名称和地理术语、19至 2 0世纪初的代表一类地貌形态与发育过程、2 0世纪上半叶至 70年代的人地关系的认识和 2 0世纪 6 0年代以来将岩溶列为脆弱环境。

Fortunetelling uses what is called the "eight characters" representing the year, month, day and hour of a person's date of birth in the traditional lunar calendar.

人们通常采用传统农历中代表一个人出生年、月、日和时辰的所谓&生辰八字&来算命。

Interrelationships among genera of Gekkonidae Gekkonidae lizards, representing more than 85 percent of the Gekkotan genera, are found on all major land masses and almost all oceanic islands.

壁虎科蜥蜴的属间关系壁虎科包括了壁虎类蜥蜴85％的属，广泛分布于所有大陆及几乎全部岛屿。

Para 3 Stokoe had been taught a sort of gestural code, each movement of the hands representing a word in English.

继续解释，说明他在学习手语的时候，手语是一个什么样的概念：每一个手势都是代表了英语里的单词的。

Stokoe had been taught a sort of gestural code, each movement of the hands representing a word in English.

有人曾经教给司徒高义一种手势代码，每一个手势动作代表一个英语单词。

Which line is representing the amount of glycerate 3-phosphate (3GP), ribulose biphosphate and sucrose 1 point

哪条曲线代表甘油酸-3-磷酸(G-3-P)，二磷酸核酮糖和蔗糖请在下列表格中，填写正确线条的字母。

And discuss some key point of integrated management system design, include hazard identification and risk assessment and risk control in the occupational health and safety management, the measure of satisfaction target of customer, the flawlessness of law system, the integration of the integrated management system and enterprise standardization system, unify lead institution and work orgnization, integreted internal audit and integrated management review.

同时，论述了一体化管理体系构建中的几个主要问题，包括职业健康安全管理中的危险源辨识、风险评价和风险控制、顾客满意度的科学监测、法律、法规体系的完善、一体化管理体系与企业标准化体系的有机结合、统一的领导机构和工作机构、一体化的内部审核和管理评审。

Deepwater Taranaki is investigated for its petroleum potential, using all available seismic data tied to shallow-water wells.

运用与浅水井相关的现有全部震波探测数据考察了深海区塔拉纳基盆地的油藏前景。