特点

This method characterizes variable velocity, absorption coefficient and quality factor. It is feasible for improving SNR and resolution in seismic data.

该方法具有道间与道内地震波速度、介质吸收或品质因子可变的特点，并具有经济、快速、实用的优点，对地震剖面上信噪比与分辨能力的提高具有实际意义。

To make paper more systematic and practical, this paper has first introduced the development history of CT equipment, then, elaborate construction of system and theworking principle of CT equipment systematically, including the property of X-ray, the absorption law of X-ray for materials, the reconstruction principle of CT image, the structure of software and hardware for CT equipment. Finally, with 2 CT systems that we used, statistic and analysis of all the malfunctions which have carried out in passed 10 years was given, and according to the systematic parts of fault located, classify the malfunctions, then elaborate their working principle one by one, analyze the regularity and the characteristic of each malfunction, and put forward specific prevention method and measure for the malfunction.

为了使论文更具系统性和实用性，本论文首先介绍了CT设备的发展史，然后比较系统地阐述CT设备的工作原理及系统结构，包括X射线的特性和物质对x射线的吸收规律，CT图像的重建原理，CT设备的软、硬件结构等，最后以我们所使用的2台CT为例，对10余年来所出现的故障进行了全面的统计分析，并按故障所处的系统部件进行分类，然后逐个阐述其工作原理，分析其故障的特点和规律，并就这些故障提出具体的预防方法和措施。

Most of the molecular characteristic absorption is very weak, and the absorption line width is very narrow that can't be measured by traditional methods.

TDLAS系统的关键是利用激光二极管有很高光谱分辨率和可调谐性的特点，可以对特定分子在特定光谱范围内的一条振转线的光谱吸收进行测量而反演吸收气体的浓度，而且能够把待测分子与背景的干扰区分开来。

Due to the multi-resolution feature of the wavelet transform, the signal that is reconstructed, after using the Birge-Massart strategy to deal with the wavelet coefficient, could be de-noised without losing the power of the absorption line.

根据小波变换多分辨率的特点，对受噪声污染的光谱信号进行小波变换，按照Birge-Massart策略对其小波系数进行阈值处理，实现在保留吸收峰信息的同时去除噪声的目的。

The detecting precision was improved by the method of absorption spectrum.

具体利用NO2在300～500 nm光谱范围内有强吸收的特点，测量了样品中NO2的浓度。

Characteristics is abstergent , fleetness, efficiently, safety.

特点是：简洁，快速，高效，安全。

That Chinese people's sexuality can be characterised as shame-based, abstinent, traditional and lacking awareness of sexual rights.

并且，在结论处比较了中西女性在性方面的文化差异，认为与西方相比，中国人的性以羞耻感、禁欲的、缺乏革命和权利视角为特点。

Mathematics is abstract、 logical and it requires the students have a good foundation. Because of these characteristics, it became one of the most difficult subjects to teach.H.

数学课因其内容抽象、逻辑性强和对学生的学习基础要求比较高的特点，而成为职高学科教学中最难教的课程之一。

Knowledge from experience, they argued, cannot carry the certainty and necessity that characterizes the abstract reasoning of mathematics or geometry.

知识经验，他们认为，不能执行的确定性和必要性特点的抽象推理的数学或几何。

This course covers many branches of Mathematics and is abstract,so it was paid more attention to the theoretical teaching rather than practice in the traditional teaching.

离散数学》是计算机科学的核心基础理论课程，作为多门数学课程分支的综合，具有概念多、抽象性强的特点。

Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.

我来只是现在，'歼灭战perfuming自己与胡努特，那麼，他来到和SAT 。