Reuse (Assume have source code, not a commercial product) Ariane 5. Therac-25. British AtC Expectation Significantly lower development costs and time. Amortize costs among all users or uses Assumptions

Formal design Reviews Associated with each of documentation phases Evaluate with respect to Customer requirements Prescribed standards and practices Contractual requirements

State Machine specifications Define behavior using states and transitions between states

第一节 概述 第二节 毒粒的性质 第三节 病毒的复制

Outline: Software Design Goals History of software design ideas Design principles Design methods Life belt or leg iron?(Budgen)

厦门理工学院：《环境工程微生物学》课程教学资源（PPT课件）第一章 绪论（傅海燕）

design: added inheritance, multiple inheritance, and polymorphism to ADT In process added complexity and increased some types of connectivity Lots of claimed advantages -- so far empirical evaluation is not supporting them well

Teaching Plan and Arrangements Total Time:106hrs.16 weeks6 hrs per week Total Contents: Students' Book: 10 units (unit 1,3,4,7,10,11,13,15,17,18) Work Book: comprehensive exercises ;translation; blank filling; vocabulary work

1. The opportunity or right to use or see something; 2. The most typical 3. Striking or unusual in appearance; 4. Make first public appearance 5 Do things not in the accepted way:6和解,妥协:7.非赢利的

Pre-Class Work Gifted Children: those who possess some quality or innate ability which has been recognized and identified by number of testing and observation devices and who manifest interest and success in either physical, intellectual, or artistic pursuits