前言： 本文论述了当前形势下煤矿安全工作中实现“五个提高”的重要性，安全管理工作中应坚持的“五个三”。
The importance for realizing ' five improvement' is expounded under the current situation of collierys safety work . ' Five three' should be adhered to in the course of safety management .
新成立的能源与工业技术开发组织已经启动了一个为期五年的项目，旨在提高机器人的安全标准。
A new agency, the Energy and Industrial Technology Development Organization, has launched a five-year project to improve safety standards for the machines.
每天五到六个小时，几乎每天菲尔普斯都泡在游泳池里尝试提高成绩。
Five or six hours a day, almost everyday Michael Phelps was in a swimming pool trying to improve his times.
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