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临床医学是一门思维逻辑性极强的学科,医学生临床思维的培养一直是高等医学教育的重点和难点。临床思维不仅要有坚实的理论基础,更需要在临床实践中通过不断接诊病人积累形成。医学生要想成长为一名合格的临床医生,必须不断加强临床思维的锻炼。然而,由于医学院校人数的不断扩招,病人不愿意配合教学的现象明显增加,教学资源紧缺,传统教学模式下依靠课堂教学和临床见习来培养医学生临床思维的做法已远不能满足教学的需要,充分应用计算机模拟病例系统能有效地促进医学生临床思维的培养。 相似文献
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A distributed optical fiber disturbance detection system consisted of a Sagnac interferometer and a Mach-Zehnder interferometer
is demonstrated. Two interferometers outputs are connected to an electric band-pass filter via a detector respectively. The central frequencies of the two filters are selected adaptively according to the disturbance
frequency. The disturbance frequency is obtained by either frequency spectrum of the two interferometers outputs. An alarm
is given out only when the Sagnac interferometer output is changed. A disturbance position is determined by calculating a
time difference with a cross-correlation method between the filter output connected to the Sagnac interferometer and derivative
of the filter output connected to the Mach-Zehnder interferometer. The frequency spectrum, derivative and cross-correlation
are obtained by a signal processing system. Theory analysis and simulation results are presented. They show that the system
structure and location method are effective, accurate, and immune to environmental variations. 相似文献
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信息管理学是信息管理与信息系统专业的核心专业课程,通过分析信息管理与信息专业的培养目标及目前国内专业现状,对信息管理学的理论教学内容、实践教学及教学方法、手段作了初步探讨。 相似文献
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The effect of queuing delay of output buffer on the crosstalk property in optical packel switching nodes in investigated.The relationship between crosstalk and buffer length is obtained.From the calculation and simulation results,it is concluded that the corsstalk power penalty predominantly depends on the buffer length,the longer the buffer,the greater the penalty,as well as the random range of the penalty.While comparing with the effect of queuing delay,the effect of random routing path delay takes very little proportion in the total power penalty. 相似文献
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This paper introduces architectures of two types optical packet-switched metropolitan area networks and their media access control protocols.We have designed ralated network simulation systems.With these simulation systems,the characteristics and performanceof the two MANs can be achieved. 相似文献
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目的：程序员在对Java Web端管理系统开发过程中，采用传统的手工编写代码方式会十分费力，工作的质量和进度都得不到提升。因此对代码自动生成系统进行分析与设计，以适用于程序员日常的代码编写工作。方法：系统采用B/S架构、MySQL数据库，研究运用Spring Boot技术、Thymeleaf框架、Shiro安全框架等实现代码自动生成系统的用户管理、菜单管理、代码自动生成等功能。其特点是开发便捷、维护简单方便。结果：进行系统基本功能的测试后发现，系统能够稳定、顺畅地运行，满足程序员的日常工作需求。结论：代码自动生成系统使用模板进行代码自动生成，在Web端管理系统开发上对程序员有一定的帮助，可节约开发项目时间、降低维护成本以及提高工作效率。 相似文献
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