Meterials and Methods: Reviewing the ultrasonic data of 76 cases with spleen mass proved by operation and pathology. The size, number, border, interior echo of the lesions were analysed.

材料和方法：回顾性分析76例脾脏肿块患者的超声检查资料，分析脾脏肿块的大小、数目、边界、内部回声等多种超声表现。

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Automatic recognition of target number is realized through processing of target echo, and some practical results is given at end of this article.

通过对目标回波的处理，实现了目标架数的自动识别。最后给出了它们在实际应用中的结果。

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The simulation of the system of single-photon detection for the space targets is carried out based on these models to get the number of laser photon echo which is simulate value.

利用所建立的模型对探测系统进行仿真，得到激光回波光子数模型仿真值。

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Boston resident Sheryl Johnson had concerns which might echo why UKIP gained such a large number of votes.

BBC: UKIP: The view from Lincolnshire

The baby boomlet or baby boom echo group born between 1988 and 1995 have flooded colleges with demand for a limited number of spots.

FORBES: College Costs Out Of Control