【单选题】An investment project has a cost of $12,000, payable at the start of the first year of operation. The possible future cash flows arising from the investment project have the following present values a...
【多选题】web of science平台的个性化服务,可以将检索式保存在:
【简答题】where子句可以接收from子句输出的数据,而Having子句则可以接收来自 、from或 子句的输出。
【简答题】WHERE子句可以接收FROM子句输出的数据;而HAVING子句可以接收来自FROM、______或______子句输出的数据。
【单选题】The first cash flow in the series occurs at the beginning of each period is called ( )
【单选题】There is a firm considering investing in a new project with an upfront cost of $400 million. The project will generate an incremental free cash flow of $50 million in the first year and this cash flow...
【简答题】WHERE 子句可以接收FROM子句输出的数据;而HAVINGZ子句可以接收来FROM, ___ 或 ___ 子句的输出的数据。
【判断题】Web of Science平台,在编写检索式时,逻辑运算符AND比OR优先级高
【判断题】在web of Science平台中,要核心合集才能进入SCIE数据库检索,对吗?
【单选题】A firm is considering investing in a new project with an upfront cost of $400 million. The project will generate an incremental free cash flow of $50 million in the first year and this cash flow is ex...