Results In all 15 cases, 3 miliary-like diffuse, 8 weak echo nodular, 2 hybrid echo-mass, 2 calcified.

结果15例脾结核患者中有3例弥漫粟粒型，8例弱回声结节型，2例混合回声团块型，2例钙化型。

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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.

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。

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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.

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。

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But this is exactly the question the Greek finance minister, Evangelos Venizelos, is having to fight over today, as are the European Union leaders, the Greek centre-right opposition and (in a weak echo) UK Chancellor George Osborne and his shadow Ed Balls.

BBC: Greece: How do you save an economy from going bust?