November 29, 2001 Duty and Famine: Singer Last time we considered Mill's version of Utilitarianism, called Eudaimonistic Utilitarianism characterized by what he calls \the greatest-happiness principle\: You ought always to act so as to maximize happiness, i.e., the right act is the act that results in the greatest amount of happiness overall. The \greatest-happiness principle\, however, just states one version of Utilitarianism. Other versions of

Moral Relativism The problem of moral relativism begins with the fact of moral diversity: different cultures have different moral codes. Of course,it' s not just between different national cultures that moral opinions differ the same can happen between different subcultures of the same national culture. What does this show? Consider: Moral diversity: Different cultures have different moral codes/values. Does it even follow that: Moral conflict: Different cultures have conflicting moral codes/values

The Ontological argument The Question(and framework for answers) Does God exist? (We will be assuming a philosophical/theological conception of God as a perfect being-this god's perfections include: omnipotence, omniscience, and perfect goodness. Theist: Yes. God exists

What is Online Learning? In an online lesson, the computer displays material in response to a learner's request. The computer promotes the learner for more information and presents appropriate material based on the learners response. The material can be traditional lessons and tests that are transcribed into a computer program. The material can also be a complex program that tracks users'input and

§20-6 The infinite Potential Well 一维无限深的势阱 Introduction 引言 §20-1 Atomic Spectra 原子光谱的规律性 §20-2 Bohr Model of Hydrogen Atom 玻尔的氢原子理论 §20-3 De Broglie’s Postulate and Matter Waves 德布罗意波 粒波二象性 §20-4 The Uncertainty Principle 不确定度关系 §20-5 The Wave Function and Schrodinger Equation 波函数 薛定谔方程

§17-1 The Coherence of Light 光的 相干性 §17-2 Two Beams Interference 双缝干涉 §17-3 Optic Path & Optic Path Difference 光程与光程差 §17-4 Interference by Division of Amplitude 薄膜干涉⎯⎯ 等厚条纹 §17-5 Michelson’ Interferometer 麦克耳孙干涉仪 Part One Interference of Light 第一部分 光的干涉 §17-7 Diffraction from Single Slit 单缝的夫琅和费衍射 §17-6 Diffraction of Light Huygens-Fresnel’s Principle 光的衍射现象 惠更斯⎯ 菲涅耳原 理 Part Two Diffraction of Light 第二部分 光的衍射 §17-8 Diffraction Grating 光栅衍射 §17-10 x-ray Diffraction 射线的衍射（自学） §17-9 Resolving Power of Optical Instrument 光学仪器的分辨本领（自学） §17-11 Nature Light & Polarized Light 自然光和偏振光 Polarization of Light Law of Malus 起偏和检偏 马吕斯定律 §17-12 Polarization by Reflection 反射和折射时光的偏振 §17-13 Double Reflection 光的双折射（自学） §17-14 Optic Strese Analysis（自学） Part Three Polarization of Light 第三部分 光的偏振

The telemetry, tracking and control subsystem provides vital communication to and from the spacecraft TT&c is the only way to observe and to control the spacecraft's functions and condition from the ground October 29 2003 Massachusetts Institute of Technology

一、填空题(每空1分,共30分) 1、GPS由(空间星座)部分、()部分和()等三部分构。 2、开普勒六参数有s、()、()、()、()和（)。 3、电离层折射的影响白天比晚上(),冬天比夏天();卫星的

一、填空题(每空1分,共30分) 1、GPS由(空间星座)部分、()部分和()等三部分。 2、开普勒六参数有s、()、()、()、()和（)

一、填空题(每空1分,共24分) 1、GPS由(空间星座)部分、()部分和()等三部分构成 2、开普勒六参数有s、()、()、()、()和()