这种药物是从原产于南美洲的金鸡纳树的树皮中提取的。到了1856年，对这种药物的需求已经超过了现有的供应。
The drug is derived from the bark of the cinchona tree, native to South America, and by 1856 demand for the drug was surpassing the available supply.
如檀香的精华就是一种萜烯，[font=宋体][size=10.5pt]对其浓烈香味的需求导致了产此香精的檀香树变得稀缺。
Sandalwood essence, for example, is a terpene, and the demand for its potent smell means the tree it comes from is becoming rare.
需求明显地区别于文档中附加的描述性信息(如图2)，这使得“看清森林中的树”变得更加容易。
Requirement text is visually differentiated from additional descriptive information in the document (see Figure 2.). This makes it easier to "see the trees in the forest."
对于技术专长的需求非常普遍，连零售商都要求具有这种技能。 “我们公司各个部门都需要掌握一定信息系统技术的毕业生，”美元树
The need for technical expertise is so pervasive that even retailers are demanding such skills.
swt树的一个较困难的方面是实现树项目的排序，对于这个主题，公共支持论坛中提供的信息难以满足广大用户的需求。
One difficult aspect of SWT trees is to implement sorting of the tree's items, a topic on which information is much sought after in public support forums.
日前，在韩国首都汉城，世界克隆先锋黄武树先生表示，计划在今年年底之前建立一座干细胞银行，以此来满足医疗领域逐渐增长的对于器官移植的需求。
South Korean cloning pioneer Hwang Woo-suk said Wednesday he plans to open a stem cell bank by the end of the year to help speed up the quest to grow replacement tissue to treat diseases.
需求向上提交给NFS守护进程，它为需求标示出目标文件系统树，并且VFS再次用于在本地存储中获取文件系统。
The request is passed up to the NFS daemon, which identifies the target file system tree needed for the request, and VFS is again used to get to that file system in local storage.
棕榈油现在越来越多地用于做菜和制造化妆品，最近的新技术还将其用于制造一种生物柴油。于是，受全球对棕榈油需求增加的影响，各大公司纷纷占地种植棕榈树。
Responding to global demand for palm oil, which is used in cooking and cosmetics and, lately, in an increasingly popular biodiesel, companies have been claiming any land they can.
目前世界上对粘胶剂和高档油墨用松香树酯的需求量以每年5%的速度增长。
The world of high-grade adhesives and inks used rosin resin demand for 5 percent annual growth rate.
该系统较好的满足了授权管理的需求，具有资源统一描述、自动收集、资源树生成等功能。
This system has satisfied with privilege management demand, possessing the function of Web resources description, automatical collection and resources tree build and so on.
《日本牙科医生相比于内科医生不断增长的需求导致其地理扩散》，丰川木聪、小林泰树，东京大学医学院。
Increasing supply of dentists induces their geographic diffusion in contrast with physicians in Japan.
以特征信息结构树为基础，对贝叶斯网络模型进行推理，来获得客户需求的兴趣集中点。
Through reasoning Bayesian network model based on the features information construction tree of client requirement, the client requirement concentration is acquired.
九：外型树需求用铝丝带动成长，即用铝丝固定树枝，依照既定的成长方向成长。
Nine: the appearance of the tree needs to grow with aluminum wire, that is, with aluminum wire fixed branches, in accordance with established growth direction.
URL检索融合了树查找算法，在实现了快速检索的同时减少了存储空间需求。
The URL indexing algorithm based on tree searching, achieving both a fast searching speed and a significantly low storage requirement.
本文在总结系统需求分析的基础上，提出系统的总体目标，系统的运行体系结构、系统总体结构、功能模型树。
Based on the demand analysis of the system, this paper raises the integral goals, the systematic holistic structure, functional model tree of the system.
本文利用神经树原理，从工序系统的需求出发，就怎样标准化项目工序结构的解析方法、解析原则做了运用研究。
In This paper, using nerve tree, study the method and principle normalization of breakdown, from needs of work systems.
本文提出基于椭圆曲线密钥体制的斜树密钥管理方案，算法只需更新少量密钥就能满足系统的安全需求。
An inclined tree-group key management scheme based on elliptic curve cryptosystem is presented in this paper, which needs to renew only several node keys to provide perfect secrecy.
[1] 蒋娟萍，梁工谦，张树娟。 面向主动再制造的航空发动机涡轮叶片需求分析研究[J]。 航空制造技术， 2014， （1）：118-121。
JIANG J P, LIANG G Q, ZHANG S J. Research on requirement analysis of aeroengine turbine blade for active manufacturing[J]. Aeronautical Manufacturing Technology, 2014, (1):118-121.
第三部分根据项目的实际需求，设计了一种基于树型结构网络的能量高效的无线传感器网络路由协议TREES。
In the third part, basing on the actual requirements of the project, a tree based energy efficient routing protocol TREES is designed.
仿真结果表明改进的蚁群算法能有效的寻找到一棵性能良好的组播树，并能够满足各种业务的服务质量需求。
The simulation results show the improved ant colony algorithm can effectively find a good performance multicast trees, and meet the business needs of the quality of service.
为了满足产品模拟成本自顶向下逐层分解计算的管理需求，提出了一种新的数据结构——模拟成本BOM权树。
In order to meet a decomposing computation from up to down decomposition, BOM weighted tree for simulated cost is defined.
在传统的决策树算法中引入标量积协议，既保持决策树算法本身的优点，又满足了保持隐私的需求。
A decision tree classifier was applied and a scalar product protocol was added, so that the need of privacy preserving is satisfied as well as the advantage of decision tree is retained.
在传统的决策树算法中引入标量积协议，既保持决策树算法本身的优点，又满足了保持隐私的需求。
A decision tree classifier was applied and a scalar product protocol was added, so that the need of privacy preserving is satisfied as well as the advantage of decision tree is retained.
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