将以下英语翻译成中文。Equipment can always be replaced. A company's data, however, may be irreplaceable. Most companies have ways of trying to keep software and data from being tampered with in the first place.
举一反三
- Deserts and high mountains have always been a ________ to the movement of people from place to place.
- The data collected by the statistical survey can be original data or secondary data. The relationship between the original data and secondary data is ( ) A: The original data comes from the grass-roots units, and the secondary data comes from the superior units B: Secondary data is processed from original data C: There is no necessary connection between the original data and the secondary data D: There is no difference between primary data and secondary data
- With the recent explosion of information technologies, ________. A: most marketing managers are overloaded with data and often overwhelmed by it B: most marketing managers are concerned solely about the duplication of content C: companies have ceased to feel the need for marketing information systems D: companies have ceased to maintain internal databases E: it has become more difficult and expensive to obtain primary data
- Deserts and high mountains have always been a ________ to the movement of people from place to place. A: barrier B: fence C: prevention D: jam
- 18. Deserts and high mountains have always been a ________ to the movement of people from place to place. A: barrier B: fence C: prevention D: jam