查询词典 echo-location

It is used in real-time data recording system of SAR echo.

SAR原始数据的实时记录，是SAR雷达的关键技术之一。

The virtual instrument combined with Ku-Band Microwave Doppler phase detect radar is used for the sea wave height measurement according to the Doppler frequency of the sea wave echo and stores the data.

结合Ku波段多普勒相检雷达，运用虚拟仪器根据海浪回波的多普勒频率来判断海浪变化，测出海浪波高存储数据。

Interaction between current and underwater bottom topography modulates roughness of the sea sur-face, which in turn yields variation of the radar scattering echo.

海流与海底地形的相互作用导致了海表面的粗糙起伏，从而引起对海面观测的雷达散射截面的变化。

Methods: Twelve patients with secundum ASD were examined using real time 3D echocardiography.

应用Stereo Echo技术观察12例继发孔型房间隔缺损患者的缺损形态、大小、空间位置及毗邻关系等。

In the Chapter 2 of this dissertation, new pulse sequences were introduced, in which CPMG and bipolar gradient pulses have been implemented into pulsed-filed-gradients spin-echo NMR spectroscopy, and is used to measure the self-diffusion coefficient of metabolites in bio-fluids.

实验结果表明，这种新方法不仅可以在生物体温或更高温度下准确测量分子的自扩散系数，不受对流和背景梯度的干扰，同时还具有复杂核磁共振谱的编辑功能，能够在不做任何物理分离的条件下，分别研究生物大分子和小分子的扩散系数，以及分子之间的相互作用。

The satellites transmit pulses and the airships receive the echo. BSAR radar has separated transmitting and receiving sets. Comparing to the usual bistatic synthetic aperture radar, it is able to gain rich information, has long distance effectiveness.

BSAR雷达由于发射、接收分置，相对于普通的单基雷达，具有获取信息丰富、作用距离远、安全性高、抗干扰能力强和抗截获性能好等突出优点。

Poetry is an echo, asking a shadow to dance.

诗歌是一种回响，它能让影子翩翩起舞。

Echo the human landscape and natural scenery, unique tourism resources, Ming Great Wall, the eastern starting point of intersection of the old leading the Great Wall and the sea, spectacular; the best in the world famous customs, imposing; Cape Mount the Great Wall, Peak sets dangerous; Meng Jiangnu Temple, interpretation of the four Chinese folk legends, one of Jiangnvxunfu moving story; in north China's largest natural Granite Cave - Genyo Kwu Tung, located in Qifengyishi longevity in the mountains; Saibei Pearl - Yan Sehu the showground.

人文景观与自然景观交相辉映，旅游资源得天独厚，明万里长城东部起点老龙头长城与大海交汇，蔚为壮观；驰名中外的天下第一关，气势雄伟；角山长城，峰台险峻；孟姜女庙，演绎着中国民间四大传说之一，姜女寻夫的动人故事；中国北方最大的天然花岗岩石洞-玄阳古洞，坐落在奇峰异石的长寿山中；塞北明珠-燕塞湖，美不胜收。

I asked, my voice sounding like a shrill echo.

我问。我的声音象是尖利的回声。

The usual slumbrous "All right" was not forthcoming; but, as she herself had varied her morning salute, her ear was less expectant of the echo.

他并没有像平时那样昏昏沉沉地回答"好的"；但是，由于达顿普夫人自己改变了早上的问候，她并不十分期待能听到回应。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷