用块状石料或混凝土预制块铺筑的路面称为块料路面。根据其使用材料性 质、形状、尺寸、修琢程度的不同,分为条石、小方石、拳石、粗琢石及混凝 土块料路面。 块料路面的主要优点是坚固耐久,清洁少尘,养护修理方便。由于这种路面 易于翻修,因而特别适用于土基不够稳定的桥头高填土路段、铁路交叉口以及 有地下管线的城市道路上

Topics Covered Rates of Return Years of Capital Market History Measuring Risk Risk Diversification Thinking About risk Irwvin/McGraw-Hill

第一节强心药、抗心律失常药物和抗心绞痛药物 Cardiac Glycosides, Antianginal, and Antiarrhythmic Drugs 1强心药物(Cardiac agents) 2抗心律失常药物(Antiarrhythmic Drugs) 3抗心绞痛药物(Antianginal Drugs)

Topics Covered Discounted Cash Flows. NetProfits Incremental Cash Flows STreatment of Inflation Separation of Investment Financing Decisions SExample: Blooper Industries

Transaction Processing System Input Process Output Software Design Systems Development Communication Information

Steps Toward Integration Windowing Operating System -OS/2 Presentation Manager Windows -X-Windows (Sun) Transaction Processing Systems Payroll Services Sales Order Processing Systems Process Control Systems Corporate Accounting Systems

Today's Organization Enterprise-Wide- Development Entity Relationship Diagram General Information Systems Model Object-Oriented- Definition Implementation of Suite Approach Business Iransaction Processing

Chapter 3 Solving Problems The Strategic Management of Information Technology

Transaction Processing System Input Process Output Systems Development Communication Information

Transaction Processing System Input Process Output Systems Development Communication Information