Historians suggest that the advent of mass tourism began in England during the industrial revolution with the rise of the middle class and the availability of relatively inexpensive transportation.
历史学家认为,大众旅游的出现始于工业革命时期的英国,当时中产阶级崛起,交通费用也变得相对便宜。
In order to ensure the availability of industrial control software, many industrial control system operating stations usually do not install anti-virus software.
为了保证工控软件的可用性,许多工控系统操作站通常不会安装杀毒软件。
Finally, the practical application of this technology is presented, which further prove the importance and the availability of real-time database technology in the industrial production.
最后给出使用该数据库技术的应用实例,从而进一步验证了实时数据库技术在工业生产中的重要性和有效性。
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