back echo
英 [bæk ˈekəʊ]
美 [bæk ˈekoʊ]
后瓣回波，后回波
双语例句
- You can also use the back decorative echo wedding season theme.
你还可以用椅背装饰呼应婚礼的季节主题。 - The hills sent back a faint echo.
一座座山丘传来微弱的回声。 - He went up to the mountains and shouted," I hate you, I hate you," and back came the echo "I hate you, I hate you." This was the first time that he had heard an echo.
他爬到山上大声喊：“我恨你，我恨你”，就听见回声“我恨你，我恨你”，这是他第一次听到回声。 - "JUST when I thought I was out, they pull me back in." Investors must be tempted to echo the words of Al Pacino in "The Godfather: Part III".
“就在我以为自己可以置身事外时，又被他们拉了回来”，投资者们一定很想说出阿尔帕西诺在《教父III》里的这句台词。 - Back came the echo.
结果听到了同样的回声。 - The descending inflow jet appears at the back of the bow echo on the map of Doppler radar base reflectivity fields, the larger the corresponding radial velocity is, and the more rapid the movement of radar echoes is, the larger the wind on the ground is.
多普勒雷达反射率因子图上弓状回波的后侧出现下沉入流急流，相应速度图上的速度值越大，回波移动速度越快，预示着所造成的地面风力也就越大。 - The contrastive experiment of back-scattering echo and beacon angle-of-arrival fluctuation was introduced.
介绍了后向散射回波与信标光到达角起伏的原理性比对实验。 - In ideal circumstances, the back scattered echo signal of SAR is chirp signal. With synthetic aperture theory, high azimuth resolution imaging to distant targets can be attained.
理想情况下，SAR回波多普勒信号是线性调频信号，采用合成孔径原理提高方位向成像分辨率。 - The target properties of low altitude radio fuze are discussed at length. The interaction between electromagnetic waves and ground is analyzed. The definition of back scattering coefficient and its influence on echo signals are discussed.
分析了电磁波与地物之间的相互作用，以及目标散射特性对引信回波信号的影响。