实际性

According to the characteritie of EHV transmission lines fault concomitance with arc, a new protection principle and criterion based on wavelet analysis is first proposed and established, which is able to distinguish fault in-area and out-area.

应用EMTDC对一实际EHV线路的简化模型作了大量的仿真分析，表明该保护原理的正确性以及判据的有效性、可实现性。

However, via intensive numerical computation, the author finds that actually some characteristic of this confidence intervals, for example, confidence coefficient, expectation width and coverage efficiency fluctuate intensely when the sample size varies given the parameter, or when the parameter varies given the sample size.

但是我们通过精细的数值计算发现，由于总体分布的离散性，这些置信区间的特性(置信系数、期望长度、覆盖效率)实际表现为当参数固定随着观测次数变化或当观测次数固定随着参数变化而发生强烈震动。

The prototype test result is consistent with the theoretical analysis.

样机射击试验表明理论分析结果与实际有良好的吻合性。

It is meaningful to study controllability with constrained control because of requirement of theory and practical problems.

由于理论和实际问题的需要，研究具有约束控制系统的能控性是一件有用的工作。

Because the effect between flow field and stress field will never continue forever,it is important to ensure the constringency of the result.

由于实际工程渗流场和应力场在一定的条件下趋于平衡，所以在编程时要求确保结果具有很好的收敛性。

There are a lot of analysis models,index and data involved in management accounting,which is used by people without deliberations,and considered as absolute correctness However,management accounting has not been developed so consummately In fact,there still remain many questions deserving further study and discussion For example,some methods are not actual,while some don't take cost into consideration at all More attention should be paid, and more efforts are needed to make management accounting mor...

管理会计学科知识中涉及到大量的分析模型和数据指标，在现实生活中往往被人们不加推敲地生搬硬套，视其为当然的权威、绝对地正确，使管理会计的学习应用趋于教条化。而实际上，管理会计还是一门发展并不十分成熟的学科，其中存在许多值得我们进一步研究和论证的问题。例如，有些方法已明显与现实脱节，有些方法还停留在以静止的观点看问题，有的不考虑管理会计这一信息系统中数据信息的取得成本，有的分析模型一味追求精确复杂反而失去了实际应用价值，有的分析方法干脆就不具备多少严谨性和可信性。本文针对以上问题进行了讨论，旨在抛砖引玉，使管理会计这一学科更加健全和完善。

A modified EXtrinsic Information Transfer chart method is proposed. This EXIT chart is adopted as a tool to analyze the convergence behavior and to predict the performance of turbo equalization in additive non-Gaussian impulsive noise channel.

摘要该文提出了一种改进的外信息转移图方法，可用于分析加性非高斯对称稳定分布噪声多径信道条件下Turbo均衡性能，为实际的Turbo均衡系统设计提供预估性能参数。

Since the model is provided with good convergency and stability, it can meet the needs of the on line detection of a gas sensor.

实际使用证明该模型具有良好的收敛性和稳定性，完全能满足对气体传感器故障在线检测的需要

Apply medium be apart from the original mark that the steel material of a specification district is tries the kind to unify the enactment on one fixed value of the provision, then mete out to gauge length after fracture to be apart from, make use of the Oliver to convert the formula conduct and actions conversion tool to carry on the percentage elongation's convert, the convenience that pass the computer convert a sign is up to standard to request of percentage elongation after fracture.

实际应用中将钢材试样的原始标距设为一固定值，然后测量断后标距，利用Oliver换算公式作为转换工具，通过计算机的便捷性换算得出符合标准要求的断后伸长率。

And an evaluating method for coplanarity is adopted,which is based on least condition principle.

提出一种基于激光跟踪原理对空间点的坐标进行测量，采用"最小条件"法为基础的共面性评价方法，实现了对由多个非连续铅垂面形成大平面的平面度的高精度测量，实际测得共面度为0。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐