回声

我们在山谷中高呼，回声霎时间就从山腰上清晰地返回。

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

回声从圆形的墙壁上传回。

The echo rebounded from the round wall .

整个房子充满回声。

The whole house echoed .

大多数蝙蝠靠回声定位来飞行。

Most bats navigate by echolocation .

蝙蝠用一种回声测定法来判断距离。

The bat judges distances by a kind of echo-location .

回声消失了。

The echoes died [ faded ] away .

这个峡谷以回声而闻名。

The canyon is famous for producing echoes .

空屋发出回声。

The empty room echoed .

他们波动的回声中带有一种难言的悲哀。

In their echoes , there was a tone of unutterable sorrow .

孩子们在山洞里高声喊叫，想听听回声。

The children shouted loudly in the cave so they could hear the echoes .

她在山顶上大声喊着，然后聆听着回声。

She shouted on the mountaintop and listened for the echo .

响起来，号角，响起来，让激昂的回声在空中震荡“。

Blow , bugles , blow , set the wild echoes flying . "

小溪流的回声在巨大而突出的凹壁中回荡

Tiny streams echo in enormous overhanging alcoves .

回声反射成欢欣，

The echoes bound to a joyful1 sound ,

回声传回到我们的耳中

The echo resounded back to us .

在天将破晓的时候，他被一阵熟悉的，然而却又是反常的回声惊醒了。

Just before dawn he was assisted in waking by the abnormal reverberation of familiar music .

这个女孩朝我傻笑了一声，好像是还有回声，接着她就跑掉了。

The girl let out a giggle8 that seemed to echo9 , and she ran away .

个月大婴儿的横向能量多普勒图像示一个大的，血供丰富的不均质回声团

Transverse power Doppler image in a 10-month-old shows a large heterogeneous liver mass with marked vascularity . 10

基于DSP的自适应回声抵消器的设计

Design of Adaptive Acoustic Echo Cancellation Based on DSP Systems

IP电话网关中回声消除器的实现

Implementation on Echo Canceller of IP Telephony Gateway

IP电话回声消除LMS改进算法的研究

An Improved LMS Algorithm for Echo Cancellation in IP Phone

B超与CT平扫6例为囊实性肿块，2例为低回声或低密度的实质性肿块。

Lesions were cystic solid masses , while other 2 were solid masses with hypo echo on US and hypo density on plain CT .

结论超声检查双肾超声回声强度值与重度肾功能不全患者的CR有相关关系。

Conclusion The echo intensity of kidney which are measured by ultrasound is related to renal function of CRF patients .

结果显示：混合瘤内部回声的平均色量级高于腺淋巴瘤（P＜0.01），与恶性肿瘤相近（P＞0.05）。

The mean color quantity scale of pleomorphic adenoms was higher than that of adenolymphoma ( P < 0.01 ), like that of malignant tumor ( P > 0.05 );

基于LMS算法的自适应滤波及在回声消除中的应用

Variable step-size LMS adaptive filtering for echo canceller

HCG日子宫内膜厚度，回声类型对体外受精&胚胎移植妊娠结局的影响

The Effect of Endometrium Thickness and Echo Patterns on IVF-ET Outcome the Day of HCG Injection

Walsh变换特征用于回声信号的识别

Recognition of echo signal using Walsh transformation

目的利用血管回声跟踪技术（ET）评价冠心七味片在兔动脉粥样硬化（AS）早期干预后血管弹性的变化。

Objective To Evaluate the changes in blood vessel elasticity after Guan xin Qi wei tablets ' intervention in rabbits on early atherosclerosis by echo tracking Technology .

STFT及其在回声消除方面的应用

STFT and Its Application to Echo Cancellation

带状疱疹患者皮肤、皮下组织均增厚（P＜0.01），回声减低；

On one hand , the skin and subcutaneous tissue of the herpes zoster patients became thicker ( P < 0.01 ), but the ones of the patients who have sequel to neuralgia changed little ( P > 0.05 ) .