an echo的例句大全

With the European Community Humanitarian Office ( ECHO) support, the WHO Regional Office for Africa will be sending a team composed of an epidemiologist, entomologist and virologist.

在欧洲共同体人道主义办事处支持下，世卫组织非洲区域办事处将派遣一个由一名流行病学家、昆虫学家和病毒学家组成的小组。

To enhance the signal to noise ratio ( SNR) of fundamental ultrasonic echo signals for ultrasonic nondestructive testing ( UNDT) and ultrasonic nondestructive evaluation ( UNDE), an improved technique to suppress structural noises of ultrasonic signals was presented.

为了提高超声无损检测（UNDT）与无损评价（UNDE）基础数据的信噪比（SNR），提出了一种基于神经网络模式识别理论的小波域超声信号消噪技术。

The thirty years of modern new verse are an age of lyrics on liberation brimming over with the echo of liberation of individuals, of nation and of the state.

现代新诗三十年，那是一个关于解放的抒情时代，个人的解放与民族、国家解放的声音贯穿始终。

Model of an Underwater Target Based on Target Echo Highlight Structure

基于声学亮点特征的水下目标回波模型

Design and Implementation of an Infusing Type SAR Target Echo Simulation System

注入式SAR目标回波模拟系统的设计与实现

Packet Internet Groper A program used to test whether a particular network destination is online, by sending an Internet control message protocol echo request and waiting for a response.

包因特网查询工具用于通过发送一个Internet控制消息协议回送请求并等待应答来测试一个特定网络目的地是否联机的一种程序。

After that, an improved arithmetic is proposed and in this arithmetic the echo signal is compensated through the time-frequency analysis of the detected beat signal, which is analyzed by retaking WVD distribution and radon transform.

在运用改进的算法成像仿真，即对光外差探测后的差频信号用重拍WVD分布和Radon变换的方法来做时频分析对回波信号进行补偿。

the hallway resounded with the clamor of numerous canines, their barks creating an eerie echo.

走廊里回荡着许多狗的喧闹声，它们的吠叫形成了一种诡异的回响。

Actually, the echo chamber has not been working as advertised. Since January 2010, emerging markets as an investment have produced a poor return.

事实上，这座回音室一直没有达到宣传中的效果。自2010年1月以来，新兴市场的投资回报率相当糟糕。

since x-rays travel at the speed of light, the echo indicates that an object fell into the black hole around 350 years ago.

因为X射线以光速运行，因此反射表明，大约在350光年前，有一个物质落入黑洞。

Long distance telephony was also an option, but costs were very high and it often sounded as if the other party was speaking from inside some kind of echo chamber on a distant planet.

当然，长途电话也是一个选择，但价格十分昂贵，而且话筒另一边的声音听起来总像是从一个遥远星球的回音室里传来的。

the echo was written so long ago that it has escaped attention and i am now no longer called upon to render an account of its meaning.

《回声》写于很久以前，因此它逃过了人们的注意，现在也没有人来叫我算其含意的旧帐。

Thanks to efforts made to protect it, the Mauritius echo parakeet, a bird once endangered, has seen an increase in its population.

在人们的保护措施下，一度濒临灭绝的长尾小鹦鹉的数量有了增加。

objective to find a reliable method to observe the character of amniotic fluid by quantitative analysis of ultrasonic echo intensity ( ei) on amniotic fluid in term pregnancy. to provide an objective index of amniotic fluid character to diagnose fetal distress in time.

目的对足月孕妇羊水进行超声回声强度（EI）定量分析，为临床及时诊断胎儿宫内窘迫提供客观的羊水性状指标。

Ringed by tall pines, Echo Glen resembles a summer camp, with cottages, fields, and an indoor swimming pool.

一些房舍和操场被一片绿色松林所掩映，这里还配有室内游泳池。

The appearance of ululation of apes together with the imagery of maple in poems is an auditory echo of seeing and this forms a double-imagery and sublimates the subjective feelings of poets.

枫树与猿声并行出现在作品中是视觉与听觉的互应，是双重意象的叠加，并以此升华了作家的主观情感。

Here is an example of an abdominal ultrasound, and also a cardiac echo, which can be sent wireless,

这里有三个范例，一个是关于腹部超声的，第二个可以通过无线传输心脏超声，

The lingering echo of the dashing waters are a paean of praise to and an expression of love for China's landscape.

在人们耳际荡起滔滔势的余响，表达了对华夏河山的赞美和热爱。

We shouted in the valley, and in an instant the echo came from the hillside with great distinctness.

我们在山谷中高呼, 回声霎时间就从山腰上清晰地返回.

This paper introduces an ultrasonic ranging method based on analyzing the envelope of echo.

介绍了一种基于回波包络分析的高精度超声波测距方法.