效能

In course of evaluation, index-vector and mission-vector are matched together, the performance of index can be analyzed, thus the weakness of the system can be found in time and its influence of the system can be confirmed, thus the effectiveness evaluation can be combined with index analysis.

在效能求取过程中对指标向量和使命向量进行了功效匹配，可实时对指标进行优劣分析，及时有效地发现系统的薄弱环节，并求取劣势指标对系统整体效能的影响程度，从而实现了效能评价与指标分析的有机结合。

Based on the mathematical relationship between the two parameters, which is derived from a series of known formulae, the definition of Internet validity factor is put forward as a parameter to connect Internet space validity with time validity so as to judge comprehensively the Internet validity.

通过公式推导证明了网络比重和访问直径二个物理参量之间的数学关系，并基于此形式化定义了Internet网络效能因子，将Internet网络的时间和空间效能联系起来，实现了对网络效能的综合评判。

With the utilization of global efficiency model, a new efficiency evaluation model with electric distance matrix is proposed, and the efficiency of east and central China power grid is evaluated.

引入了复杂网络效能模型，提出了基于电气距离矩阵的效能评估方法，对我国华东电网和华中电网在连锁故障中的效能变化进行了仿真分析。

Results ①Scores of exercitation nursing students in general self-efficacy were significantly higher than those of medical college students.

结果1实习护理生的自我效能感比医学生的高，差异具有显著性(P.01)。2实习护理生在情感耗竭、消极怠慢和专业效能上的得分比编辑人员的低，差异显著(P.001)。3一般自我效能感、性别因素及其交互作用对职业倦怠3个维度的影响均未达到显著水平(P.05)。

First, we have discussed the designing fundamental of Integrated Effectiveness Evaluation Index System and presented the basic structure frame of Integrated Effectiveness Evaluation Index; thus, the model index frame of Integrated Effectiveness Evaluation was constructed to the Weapon System with Missile and Gun.

首先，通过对弹炮结合系统参数结构模型的分析，探讨综合效能评估指标体系的设计原则，并提出弹炮结合系统综合效能评估指标的基本结构和体系；接着，在此基础上建立弹炮结合系统综合效能评估的模型指标框架。

Fu rthermore, us ing logallthm least sq uare Princi ple an d group Analyti cHierarchy Process,we determine weightS of imPeriI factors for boiantand give a newjudgment model and method of radian imPerilment ghe evaIuaions.

第六章以电子对抗仿真系统整体效能评价为背景，在排序一致性的基础上建立了确定方案相对优属度的有序比值方法，建立了多属性模糊优选模型，构筑了电子对抗仿真系统效能评价指标体系，给出了电子对抗仿真系统效能评价的具体步骤、方法和计算过程。

Objective To compare masticatory efficacy between children with and without caries, and to explore the impact of dental canes on children' a masticatory efficacy and body growth.

目的 比较患龋儿童与无龋儿童咀嚼效能之间的差异和龋病充填治疗前后咀嚼效能的变化，探讨龋齿对儿童咀嚼效能及生长发育的影响。

An evaluation method of force effectiveness based on game theory is proposed. The evaluation model of different kinds of strategies is build by matrix game, which realizes the dynamic effectiveness evaluation of C~4ISR system in hostile environment. The analysis and solution of this model is also provided.

提出了一种基于矩阵对策的C~4ISR系统作战效能评估方法，利用矩阵对策构建不同作战策略的效能评估模型，实现了对抗环境中C~4ISR系统作战效能的动态评估，并给出了模型的分析与求解方法。

It is found that the damage of the lines is mainly aroused by heat effect and electric force generated by impulse current circuit, and the effect is different between different current value and different lines. The steady state and transient state shielding efficiency of plate shielding cabin with metal silk net window and without window are measured, and the influence of window to shielding efficiency is analyzed. The result shows that the steady state shielding efficiency rises with frequency.

试验结果表明屏蔽室的稳态屏蔽效能基本上是随着频率的升高而变大，两种带合金丝网玻璃窗的金属板屏蔽小室的在10kHz以下时稳态屏蔽效能有15dB左右，在20kHz以上时各点稳态屏蔽效能都可以达到20dB以上，丝网玻璃窗对离窗近的测量点的屏蔽效能影响较大，而对离窗远的测量点影响较小。

Analyzing the evaluation index system of aerial material support effectiveness, the paper establishes the evaluation model for aerial material support effectiveness with utility function and Delphi method .

针对影响航材保障效能的指标特点，将效用函数用于航材保障效能评估，并结合德尔菲法，建立了航材保障效能评估的数学模型，该模型能客观科学的评估航材保障效能。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。