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Compared with the traditional method, the relative error of this software is less than 5%.

本软件设计和运行过程力求简洁、快捷，计算结果与传统方法比较相对误差小于5%，是真实可靠的。

Compared with measured BOD5,the relative error of the calculated BOD5 is no more than±10%.

此值和实际值相比，相对误差≤±10％。

Our two studies have compared the frequency of OBEs in the two types of lucid dream, and surveyed the relative frequency of OBEs and dream-related events in a large number of people.

我们的两项研究，已经比较了在两种类型的自觉梦境中，灵体出离发生的频率。并且在一个大的人群中调查了灵体出离的相关频率以及梦境相关行为。

The simulation results showed that the neural network model given in this paper is capable of forecasting the behavior of nucleation rate exactly and rapidly, and the maximum relative error does not exceed 5.9% as compared with measured values.

仿真结果表明，利用文中所提出的神经网络模型能够较准确、快速地预测结晶成核速率的变化，预测值与测量值的最大相对误差不超过5.9%，表明该网络预测模型有很大的实用性。

The average and maximum relative errors of the approximation do not exceed 1.0% and 2.0% respectively, compared with theoretical results, which explains its accuracy.

对此，提出了一种简单而实用的近似式，该式与理论值的平均和最大相对误差分别不超过1.0%和2.0%，说明了该近似公式的准确性。

Compared with other countries of refuge, such as Bangladesh, China offers relative stability.

和其他的难民收容国比起来，中国能提供相对稳定的生活环境。

The dynamic performance and relative stability were analyzed, and the simulation results was compared with least square method.

研究结果不仅验证了仿真控制函数的可用性，而且论证了极大似然法在飞行器参数辨识中的优势。

At the same time, compared with the common Lagrangian relaxation scheduling method, it is more suitable to the real-time scheduling in flexible manufacturing contexts.

而且，与常用的拉氏松驰调度方法相比，更适合于解决柔性制造领域的实时调度问题。

It has stronger I/O interface to connect with industrial process compared to the common computer and has basically substituted of the logical control of traditional relay and contact devices, thus become the basic installment in automation control system.

从广义上讲，PLC是一种计算机系统，比一般计算机具有更强的与工业过程相连接的输入输出接口，已基本取代了传统的继电器和接触器的逻辑控制，并成为自动化控制系统的基本装置。

Two different measuring methods of compression ratio are compared and discussed for different applied limits, merits and defects of each are analyzed relevantly.

本文还对两种不同测量压缩比的方法进行了比较研究，提出了两种方法的使用范围，对各自的优缺点进行了相应的分析。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。