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- The Mesoscale structure, such as bow echo, strong rear inflow and weak echo region on the inflow entrance etc, with the squall line, caused the disasterous wind. 对新一代天气雷达资料分析揭示了此次飑线的典型的弓状特征、强的后侧入流槽口以及入流槽口上的弱回波区等中小尺度结构特征是造成灾害性大风的成因。
- Double-bounded weak echo region 双有界弱回波区
- weak echo region 弱回波区
- To solve the laser weak echo detection under the clutter background, A dynamic programming (DP) technique has been developed for the detection of weak targets. 摘要为解决低信噪比下激光微弱回波的检测问题，提出了一种新的小目标检测算法。
- In the paper the methods to process weak echo by using DSP technology based on low SNR of laser weak echo are presented. And the methods are simulated and calculated. 摘要文章针对激光弱小回波信号的低信噪比，提出了运用数字信号处理技术对回波信号进行处理的方法，并进行了一系列仿真和计算。
- Though the weak echo and no typical hail echo feature have been observed, the characteristic of radial velocity and meso-scale convergence and divergence in spring can be found quite clearly. 由于回波强度较弱，冰雹天气未出现典型特征回波，但径向速度特征表现的较为明显，在春季中尺度辐合辐散特征仍是较明显。
- The spirit is willing but the flesh is weak. 心有余而力不足。
- Her performance was cheered to the echo. 她的表演获得长时间的喝采。
- The shock make me go all weak at the knee. 这件事把我吓得两腿发软。
- The bird-song is the echo of the morning light back from the earth. 鸟的歌声是曙光从大地反响过去的回声。
- You must be weak in the head if you believe that. 你相信那件事可就太傻了。
- He cannot run because he has a weak heart. 他有心脏病，不能跑。
- His words aroused no echo in their hearts. 他的话未能在他们心中引起共鸣。
- Most insect do not live in polar region. 大多数的昆虫不在极地地区生存。
- A fearful person is a weak person. 怕这怕那的人是软弱的人。
- The earthquake may cause a region to fall in. 地震可以使一个地区下陷。
- The shock made me go all weak at the knees. 这件事把我吓得两腿发软。
- His weak chest was a legacy of a childhood illness. 他那瘦弱的胸脯是儿时患病的后遗症。
- Storms spring up easily in this region. 这个地区很容易发生风暴。
- In a weak moment, I agreed to pay for her holiday. 我一时心软同意了支付她度假的费用。
