如果治疗的区域大于一个单位的治疗区域，就需要用多次照射来覆盖整个治疗区域，在实践中，大多数的目标体积被照射1至15次。
For a target volume larger than one shot, multiple shots can be used to cover the entire target. In practice, most target volumes are treated with 1 to 15 shots.
最初的“捕食者”搭载的是照相机，进而又搭载武器，可在接到命令后即刻对目标进行袭击；后来又有体积更大的无人机被研制出来——“收获者”，可携带更多武器。
The first flying cameras evolved into armed versions that could strike targets at short notice, then into a bigger plane, the Reaper, able to carry more weapons.
通过对望远镜视野之内的156,000个目标恒星的观测，在43天的时间里发现了706个体积介乎地球和略大于木星之间的太阳系外行星。
Of the 156,000 target stars in the telescope's field of vision, the 43 days of observations found 706 possible extrasolar planets from Earth size up to a bit bigger than Jupiter.
高性能混凝土以高强度、高工作性、高体积稳定性和高耐久性等技术指标为设计目标。
Such high performance concrete aims to have high strength, workability, volume stability and endurance.
这种体制降低了系统的成本和体积，有利于真假目标的识别。
This system can reduce the cost and volume, and is good for target identification.
为验证此方案，在半消声室进行了非典型声强向量阵的定向实验，用3个扬声器模拟体积目标3个不同部位的声源。
To test this scheme, experiment was conducted in a semi-anechoic chamber, with 3 loudspeakers simulating the sound sources of the 3 separate sections of the volume target.
介绍了优化设计模型，采用体积和模数同时极小化的设计目标，提出了分层优化策略；
The model of optimum design is introduced. The design objective of minimizing volume and module simultaneously are adopted, and a graded optimum strategy is presented.
为某一商用车驾驶室白车身建立了以固有频率为约束条件，焊点体积最小化为目标的优化模型。
An optimization model for the body-in-white (BIW) of a commercial vehicle cab is set up with natural frequency as constraint and minimizing the volume of welding spots as the objective.
实例表明，通过多目标的优化设计，行星齿轮减速机构及卷筒体积得到大幅度减少。
The example shows that the design through the multipurpose optimization made the volume of planet gear mechanism and reel decrease substantially.
嵌入式系统以应用为中心，强调体积和功能的可裁减性，是以完成控制、监视等功能为目标的专用系统；
The embedded system, as the center of the application and emphasizing the reducibleness of the bulk and functions, is the special system which finishes the function of controlling or stakeout.
本文以最小体积为目标函数对行星机构进行优化设计，解决了最佳参数选择问题。
In this paper optimum design of planetary mechanisms is worked out taking minimum volume as objective function, and the problem of choosing optimization parameters solved.
脉冲激光测距机体积小巧、测距时不需要辅助目标，因此便于携带且操作简单。
The pulse laser ranger is of small volume. During the ranging, the axially target is not needed. So it is portable and the operation is simple.
利用上面的原理，对BB -B80油泵进行齿形设计，同时以“单位体积排量最大”为目标对此泵进行优化设计。
With used of principle which is upside, we redesign the gear form of BB-B80 oil pump. At the same time, proceed optimum design for the goal of "swept capacity of unit volume".
补充性食物计划的目标是每天提供一到两次小体积但高能量高蛋白的额外膳食给需要的人。
The aim of an SFP is to provide extra high-energy, high protein, low - bulk extra meals once or twice a day to those who need it.
如智能武器、智能机器人视觉系统以及微型飞行器等，期望整个系统重量轻、体积小、视场大以及对运动目标更敏感。
Such as smart weapons, intelligent robot vision system and micro air vehicles, expected the whole system weight light, size small, large field of view and the more sensitive to the moving target.
核电站安全壳是防止放射性物质向环境释放的大体积预应力混凝土筒壳结构，是特殊环境条件下的重点防护目标。
Nuclear power plant containment shell is a large-volume pre-stressed reinforced concrete silo-shell structure to prevent radioactivity, and is the most important protected object in special condition.
三维机织物设计的一个目标是满足要求的纤维体积含量。
One of the aims in the design of 3D fabric parameters is to meet the requirement of fiber volume fraction.
本文推导出了外插齿刀的体积计算公式，并以其体积最小和刀具寿命最大作为优化的目标函数，对其设计参数的优化设计进行了探讨。
The formula of calculating the volume of pinion cutter was derived. Taking the volume and life as objective function, the optimum design of designing parameters of pinion cutter was explored.
该方法在不增加系统结构体积和成本的前提下，有效的提高了成像系统的分辨力，进而提高系统的目标识别能力。
This method improves the resolving power of the image system without increasing the size of system structure as well as enhance the identify ability of the system.
反应时间、温度、氢气压力和溶剂体积对丙酸甲酯加氢转化率和目标产物丙醇选择性都有很大的影响。
The conversion of methyl propionate and the selectivity to propanol were obviously affected by reaction time, reaction temperature, hydrogen pressure and solvent volume.
从一开始，目标是满足小体积内客户的需求。
From the outset, the goal was to accommodate the client's needs within a small footprint.
采用内点惩罚函数法寻求最优值，以小型拖拉机最终传动圆柱齿轮体积最小为目标函数对其进行计算机辅助设计。
The optimizing design model of cylindrical gear of tractor final drive is presented and its target function is min-volume.
质量轻、体积小、结构紧凑是探测车研制追求的主要目标之一。
Light mass, small volume and compact structure becomes one of main technical index of rover in researching period.
然而，体积更小、重量更轻、效率更高的电源产品仍是人们不断努力和追求的目标。
However, there is no end to the demand for a smaller, more efficient power supply.
目前放疗逆向计划中常用的目标函数有两种：基于剂量分布的目标函数和基于剂量-体积直方图(DVH)的目标函数。
There are two kinds of objective functions in radiotherapy inverse planning: dose distribution-based and Dose-Volume Histogram (DVH) -based functions.
目前放疗逆向计划中常用的目标函数有两种：基于剂量分布的目标函数和基于剂量-体积直方图(DVH)的目标函数。
There are two kinds of objective functions in radiotherapy inverse planning: dose distribution-based and Dose-Volume Histogram (DVH) -based functions.
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