目的研究腮腺区放射性粒子植入后的位置稳定性。
Objective To study the position stability of radioactive seed in parotid gland region after radioactive seed implantation.
控制理论长期以来将控制目的主要集中于系统平衡位置稳定性和设计控制器以保证对系统进行镇定上，已不能符合控制系统当今的实际要求。
The main objective of control theory has long focused on the stability analysis of system equilibrium and stabilizing controller synthesis. But these can not meet the practical need anymore.
他在此位置上不寻常的稳定性，部分是因为他潜在的接任者会发现他们将确实是位置不稳的，还有部分是因为他帮高盛赚了大笔的钱。
Once there, he enjoyed unusual stability, in part because his putative successors found that they were indeed replaceable, and in part because he helped Goldman make a huge amount of money.
其他影响行星的气候和适合生命的稳定性的就是它自身的年龄，构成，尺寸以及所在体系邻近星星的位置。
Other factors impacting a planet's climate and suitability for life include its star's age, composition and the size and location of sibling planets in the system.
影响人们找工作的因素有很多，地理位置和稳定性是最常见的因素。
There are many factors that affect people to find a job, the location and the stability are the most common factors.
计算过程表明，本文方法及措施具有很好的收敛性与稳定性。且收敛性与自由面初始位置的选择无关。
The computational procedure shows that the method and the measures of the paper have good convergence property and stability, which is independent of selecting of the initial free surface.
并讨论了横向稳定杆角刚度变化、重心位置变化对大客车操纵稳定性的影响。
The influence analysis is achieved for maneuverability and stability of the coach-bus while the angel stiffness of it's lateral stable pole or the position of gravity center is changing.
装车后货物重心在车辆上的位置是否合理直接影响到车辆运行稳定性。
The position of the center of gravity of goods on wagon influence the running stability of trains directly.
讨论了基底在火焰中的位置、合成时间及火焰的稳定性等因素对乙醇催化燃烧法制备的产物的影响。
The influence of location of substrates in flames, synthesis duration and stability of flames on products synthesized by ethanol catalytic combustion was discussed.
第三个层次为稳定性准则优化，它确定横向骨架的个数与位置的最优布局。
The third one belonged to stability criterion optimization that determined the optimal number and position of wing ribs.
本文对锯切过程中锯机参数进行了分析，分析了锯切位置对锯切行程、锯切生产率、锯切力和锯切稳定性的影响。
Saw machine parameters on the process of sawing are analyzed in the paper, in which analyzing influence of sawing position on sawing stroke, sawing productivity, sawing force and sawing stability.
对转子平衡位置采取分级控制策略提高了系统的刚度及稳定性。
To adopt grading control methods in balancing position increases the system stiffness and stability.
在非设计工况下运行时，火焰的轴向位置和燃烧放热的变化也对系统稳定性产生影响。
Under off-design operating conditions, shifting of the flame's axial position and its heat release may also influence the system's stability.
此外，还介绍了摆的悬挂点和摆的初始平衡位置对仪器稳定性的作用。
In addition, the function of a suspension point andoriginal equilibrium position of pendulum to tiItmeter stability has been introduced.
加工试验表明，该机床具有良好的运动稳定性和较高的位置精度，可实现5坐标加工。
The better moving stability, the higher positional accuracy and the 5-axis machining of the proposed machine tool have been proved by the experiment.
针对气动人工肌肉位置控制系统，提出了两层滑模的变结构鲁棒控制策略，控制器的推导基于李亚普诺夫稳定性理论。
A two-folded sliding modes approach of pneumatic muscle actuator (PMA) position control system was proposed, and the controller was designed by using Lyapunov stability theory.
第二阶段在开采沉陷基本稳定之后，在沉陷盆地的不同位置施加大小不同的建筑物荷载，研究其地基的稳定性。
In the second phase, after the mining subsidence is gradually stabilization, we bring into bear different load in the different location of subsiding basin, and we study ground stability with goaf.
影响井巷稳定性的因素主要有：围岩性质、井巷位置、巷道轴线方向，断面尺寸，破岩方法等。
The factor that affect the well lane stability has primarily: Round the rock kind, well lane position, tunnel stalk line direction, cross section size, break rock method etc.
路基边坡稳定性评价的关键是如何确定最危险滑裂面的位置并计算与之相对应的安全系数，是非线性优化问题。
The key problem of stability analysis of roadbed slope is how to determine the most dangerous sliding circle and calculate the minimum safety factor, this is a nonlinear problem.
但骨质疏松患者容易出现螺钉松动和复位矫正丢失、螺钉翻修或者重新调整螺钉位置后螺钉的稳定性较差。
But loss of correction and screw loosening often occurs in patients with osteoporosis, or screw has less stability in revision surgery and re-adjust of screw position.
在本系统中，我们应用了双闭环控制理论，以保证位置控制系统的稳定性。
In this system we apply the double closed loop theory to guarantee the accuracy of position control.
胫骨的腓骨切迹深度、切迹内腓骨的位置影响下胫腓联合的稳定性。
The stability of the distal tibiofibular syndesmosis was affected by the depth of fibula incisure of the tibia and the position of fibula in incisure.
该系统可对各种类型的数控机床实现以高精度、高稳定性和优良的动态性能为特征的全闭环位置控制。
The important features of the system are:it possesses not only the control precision of the fully closed-loop systems, but also the stability of the open loop systems.
过大的振动将严重影响真空系统的稳定性、限制真空系统的安装位置。
Moreover, strong vibration will influence the stability and confine the installation position of vacuum system.
一个神经网络控制系统能学习预测电极位置和炉子工作稳定性之间关系。
A neural network control system can learn to predict the relationships between electrode position and stability of furnace operation.
重心位置关系到摩托车的行驶速度、稳定性及整车的性能指标和使用寿命。
The location of motorcycle's centre of gravity affects the life of a motorcycle and many of its performance specifications, such as driving speed, stability, etc.
本文分析了锯切位置对圆盘式冷锯机锯切生产率、锯切力和锯切过程稳定性的影响。
In this paper authors have analysed the effect of sawing Posit ion upon productivity and sawing force of disk cold saw and upon the stability in sawing process.
最后在一维情形下分析了探测噪声和光路位置调整误差对算法稳定性的影响。
Finally, the influences of the measurement noise and the fractional order error to the stability of this algorithm are analyzed in one-dimensional case, respectively.
独立式塔吊基础相对投入费用高，其优点占地小、选择立塔位置灵活、安全稳定性好。
Independent type of tower crane foundation relatively high investment cost, the utility model has the advantages of small occupied area, select the tower location flexible, good safety and stability.
本文依据刚架不同的横梁跨度、立柱高度、横梁坡度、设计了一系列的算例，在大量的算例分析结果的基础上，得到了横梁拉杆设置与设置位置对刚架梁柱构件内力、应力、稳定性影响的变化规律。
Based upon dozens of analysis cases on gabled frames with different beam span, column height and roof grade, the behavior or influence of tension rod to frame stress and frame stability is determined.
应用推荐