目标和要求：掌握现况调查中抽样调查方法及资料基本分析方法，筛检定义及筛检实验评价 方法，一般了解普查和生态学研究的概念。 教学手段：多媒体、例证、提问等。 描述性研究（descriptive study）是指利用已有的资料或特殊调查的资料， 包括实验室检查结果，描述疾病或健康状况在不同时间、地点或人群中的分布特 点，为进一步开展分析流行病学研究提供病因或流行因素的线索

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---a science which study the processes and regulations of development of human fetus.(from 1 cell(zygote) to (5-7)X1012 cells ) ---total 38 weeks: preembryonic period: before 2 weeks

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Rawdon, Blaine. Advanced Configuration Design. Mr. Rawdon joined the boeing Company in 1981 as an advanced composites structures designer. Mr. Rawdon is currently the Program Manager for Boeing's Pelican Ultra-Large Transport Aircraft study

Chapter 13 temperature, heat transfer, and first law of thermodynamics Thermodynamics study the thermal energy (often 10\ -Universe just after beginning called the internal energy) of systems

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Fluid Statics Study of fluid at rest, i.e. not in motion or not flowing On any plane, shear force is zero(no velocity gradient or shear deformation) hence only pressure forces exist

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