Article 22 when carrying out petroleum operations , operators and contractors shall observe the laws , regulations and standards of the state regarding environmental protection and safe operations , and shall respect international practices in the operations , protect the farmland , aquatic products , forests and other natural resources , and shall not pollute and damage the air , sea , rivers , lakes , underground water and other land environment 第二十二条作业者和承包者在实施石油作业中，应当遵守国家有关环境保护和安全作业方面的法律、法规和标准，并按照国际惯例进行作业，保护农田、水产、森林资源和其他自然资源，防止对大气、海洋、河流、湖泊、地下水和陆地其他环境的污染和损害。
Expert systems can replace human to work in some circumstances , especially in some dangerous situations . since the introducing of artificial intelligence technology into expert systems , the performance of expert systems has been greatly improved and the applications of expert systems have become more widely . for traditional expert systems , their frameworks are clear and comprehensible on the basis of the knowledge bases , and on the kernel of the inference machine 人们用计算机模拟人类专家解决人类活动中的实际问题,不仅效率高,成本低,更重要的是专家系统代替人们完成某些特殊环境下的工作,尤其是危险环境下的工作,为安全作业提供重要保证;同时,依托计算机技术的专家系统,从根本上解决了人类连续长期工作的疲劳失误,提高了工作质量与工作效率。
