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- weak echo areas 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。
- 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。
- In intumescent stage, it shows flake high echo areas and low echo areas interlace each other, and the thickness of equator increases. 膨胀期白内障表现为晶状体内片状高回声区与低回声区相交错,同时可见到晶状体赤道部增厚。
- 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。
- The foot echo area health, is our ancestor's precious inheritance, is the nature entrusts with our excellent doctor god technique. 足部反射区健康，是我们祖先的宝贵遗产，是大自然赋予我们的良医神术。
- Methods 45 patients with doubtful ectopic pregnancy were performed examine of endometrium hemorrhage and blood stream of the unusual echo area of the adnexa. 方法45例高度怀疑宫外孕患者,经阴道超声观察子宫内膜内血流情况及附件区异常回声区的血流分布情况,并根据血流速度、充盈度及阻力指数等指标来诊断。
- 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 whole body echo area health massage, the whole body medium guidingreflexotherapy, the Book of Changes massage, the Qing stonereflexotherapy, the back spinal column reflexotherapy, the footreflexotherapy and so on. 全身反射区保健按摩、全身介质导引反射疗法、易经按摩、砭磬石反射疗法、脊背脊柱反射疗法、足部反射疗法等。
- The spirit is willing but the flesh is weak. 心有余而力不足。
- The shock make me go all weak at the knee. 这件事把我吓得两腿发软。
- Her performance was cheered to the echo. 她的表演获得长时间的喝采。
- 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。
- Rural areas have been worst hit by the strike. 受罢工影响最严重的是乡村地区。
- A fearful person is a weak person. 怕这怕那的人是软弱的人。
- 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。
- His words aroused no echo in their hearts. 他的话未能在他们心中引起共鸣。
- 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。
