One of the advantages of modern irrigation methods is that they alone can save 20-30 percent of the present volume of wasted irrigation water.
现代灌溉方法的优点之一是，仅凭它们就可以节省目前灌溉用水浪费量的20%-30%。
That book forms a companion to the present volume.
那本书与现有的一册成为姐妹篇。
That book forms a companion to the present volume.
那本书与现有的一册成为姊妹篇。
The present volume is based on 23 papers submitted for the conference under this theme.
这个主题的会议，目前的体积是基于提交的23个论文。
The present volume of semi- numerical algorithm to do a full field, at the "random" and "arithmetic" two chapters.
本卷对半数值算法领域做了全面介绍，分“随机数”和“算术”两章。
The present volume is devoted to an introduction to some of these fascinating aspects, addressing in particular graduate students and young researchers in the field.
目前的卷献身于一些这些迷人的方面的介绍，在特别的研究生和在领域的年轻的研究人员里向讲话。
However, the alternatives to PVC could likewise grow in volume in the future, making them less expensive and more competitive than they are at present.
然而，PVC的替代产品在将来也会达到大规模生产，这会让它们比现在更便宜也更有竞争性。
Volume of air required in Drying-More air is required to conduct heat to the food to evaporate the water present than is needed to transport the vapor from the chamber.
干燥中所需空气的体积——将热传给食品使所含水分汽化所需要的空气量要多于将蒸汽运走离开干燥室所需要的空气量。
For example, if I need to present all of the world's approximately 650 airlines to the end user, none of the standard HTML controls are geared for handling that kind of volume.
例如，如果我需要向最终用户提供全世界所有的航空公司(大约650家)，没有一种标准HTML控件能够处理这么大的数据量。
The material is never fully molten, although there might be a small volume fraction of liquid present during the sintering process.
该材料是永远不会完全熔化，虽然有可能是一个体积小，液体目前在烧结过程中的一小部分。
According to introducing, at present Guangzhou opern already completed the construction volume of 70%, thematic steel structure has sealed a top.
据介绍，现在广州歌剧院已完成了70%的施工量，主题钢结构已经封顶。
Calculated from the structure of population, in terms of pension insurance, risk may happen of handing in volume being lower than payment volume in the way of payment under the present system.
由人口构成推算，以现有制度下的缴纳支付方式，未来会有年金保费总收入额低于年金的总支付额的风险。
Muscular atrophy present reduction of muscle volume in compared with age matched control or the muscle in the same region of the body before the onset of disease.
肌萎缩是骨骼肌容积和同龄人或自身肌肉以前的状态相比出现下降状态的描述。
A ratio of the volume of oil from a zone by a waterflood or enhanced oil recovery process to the volume of oil present in the zone prior to the process.
在注水开发或强化采油过程中从储层中驱替出的油量与在此过程之前该储层中存在的油量之比。
To present the structure of three-dimensional magnetosphere, the method of visualization of three-dimensional magnetosphere with the technique of direct volume rendering was promoted.
为了准确表现三维磁层的结构，提出了一种用直接体渲染技术对三维磁层粒子进行可视化的方法。
The author will present a virtual models examples, which was developed and used for design, volume calculations, visualizations and environmental impact studies in Slovenia.
作者将呈现一个在斯洛文尼亚的虚拟模型实例，利用此模型来进行设计、体积计算、可视化和环境影响研究。
The purpose of this volume is to present and discuss the many rich properties of the dynamical systems that appear in life science and medicine.
这卷的目的是提出并且讨论在生命科学和医学方面出现的动态系统的很多富有的特性。
Finally, discussed the implementation water volume unification to manage and to dispatch the existence the question and the water rights system present situation, and proposed own view.
最后，讨论了实施水量统一管理与调度存在的问题及水权制度的现状，并提出自己的看法。
At present, for the volume of flowing back, the metering method made by man has many measuring errors and its technique has been lag behind.
目前，对试油排液量进行计量通常采用的是人工计量的方法。这种方法计量误差大，技术手段落后。
At present, we are still using the traditional way: AD hoc volume of water equipment, water gauge, velocity meter etc.
目前，我国明渠测流仍采用传统的特设量水设备法、水尺法、流速仪法等。
Through research on the present numeration of national economic benefits, a problem in traffic volume analysis is put forward by traffic assignment theory.
通过对现行国民经济效益计算方法的研究。运用交通分配理论论证了现行计算方法中运量分析存在的问题。
In the present work, in order to improve the success rate of radiotherapy we used the visualization toolkit (VTK) to achieve the surface and volume reconstruction of the nasopharyngeal tissues.
为了提高放射治疗的成功率，本文采用可视化工具包(VTK)分别实现了鼻咽部组织的表面重建和体重建。
At present, China's most optical image processing systems are based on PC. Because of the system's relatively large volume, its scope of application is greatly limited.
目前，我国的光学图像处理系统大部分是基于PC机的，由于体积较大，使用范围大大受到限制。
The present article introduces you an automatic bee feeder, small in volume, convenient in use and automatic in controlling and adjusting quantity of the feed supply.
本文介绍了我们研制的一种体积小、使用方便、能够自动控制和调节饲料供给的蜜蜂饲喂器。
Rotary piston pump is a volume type vacuum pump and is applied widely, but there has been no method for exactly calculating dynamic balance of rotary piston up to the present.
滑阀真空泵是一种容积式真空泵，在各工业领域广泛应用。但该泵的旋转活塞平衡长期以来无精确计算方法。
Accumulator is commonly used as power-supply of Portable-Type Nuclear Data Analyzer at present, which impose a limit on the Analyzer's working time and increase its volume and cost.
目前常见的便携式核数据测量分析仪电源供应为单一的蓄电池供电方式，这不仅影响测量仪器的长时间连续正常工作，而且增加了系统的成本和体积。
The volume of exported tires takes 40% of the total output at present. If the exported volume was reduced to half of the volume before, there would be a production capacity of 12% in China.
目前，我国轮胎年出口量占总产量的40%以上，如果削减输美轮胎半数产量，就意味我国会出现12%的剩余轮胎产能。
This paper dwells on the present situation of inviting bids by construction volume list and the necessity of establishing enterprise quota.
论述了当前工程量清单招标的现状及建立企业定额的必要性。
In this paper, we present a kind of symmetric modified finite volume element method for nonlinear parabolic problems, and give the optimal order energy norm error estimates for full discrete schemes.
本文对一类非线性抛物型方程提出对称修正有限体积元方法，给出能量模最优阶误差估计，并证明了对称修正有限体积元方法的解与一般有限体积元方法的解之差是一个更高阶项。
Generally, when a limb volume has increased by 10%, lymphedema is likely present, note the authors.
作者提示一般淋巴体积增长10%，淋巴水肿就有可能出现。
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