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1.设函数F(x,y)满足 (1)在区域D:x-a≤x≤x+a,yo-b≤y≤yo+b上连续; (2)F(x0,y)=0

1 维生素D的来源、功能、代谢 2 病因、发病机制 3 临床表现 4 诊断及鉴别诊断 5 治疗及预防

• Introduction to projective geometry • 1 view geometry (calibration, …) • 2-view geometry (stereo, motion, …) • 3- and N-view geometry • Autocalibration (metric reconst.) • Application

维生素D缺乏性佝偻病是由于小儿体内VitD不 足致使钙磷代谢失常的一种慢性营养性疾病, 以正在生长的骨骼软骨板不能正常钙化,造成 骨骼病变为其特征。维生素D不足使成熟骨矿 化不全则表现为骨质软化症。本病主要见于小 于2岁的婴幼儿。骨骼的生长发育障碍且伴神 经兴奋症状

一.单项选择题(每题2分) 1.泵分为容积式、叶轮式、喷射式,是根据来划分。 A.原动机类型B.工作原理C.运动形式D用途

\The compressibilty correction rule for thin wing The effect of compressibility in 3-D flows is somewhat less dramatic than with 2-D flows, but many of the same effects become important. Many of the same techniques for predicting linear compressibility effects work in 3-D too. For example

Lead-in Questions 1. Are you iron deficient 2. How would you know? a. tired b. have reduced ability to exercise. C. have poor stamina d. get frequent infections e. are lethargic

一、选择题(20分,每小题2分) 1离心泵的调节阀开大时, A吸入管路阻力损失不变 B泵出口的压力减小 C泵入口的真空度减小 D泵工作点的扬程升高

一、选择题答案 1.B2.A3.B4.A5.1C5.2 6.C7.d8.C9.10