Exposure to bright light for two to three hours daily helps regulate the eye's growth, dramatically reducing the risk of myopia, an Australian Research Council study found.
一项澳大利亚研究委员会的研究发现：每日在明亮的阳光下晒2—3小时，可帮助调节视力的发育，极有力的减少患近视的风险。
This policy is designed to clarify working hours and leave regulation of the company, regulate work scope and duties of the Attendance Administrator and assure efficiency.
该政策旨在澄清本公司的工作时间和假期管理，规定考勤管理员的工作范围和职责以及保证效率。
The summit, which has scheduled only five hours of formal discussions, will also discuss proposals to better regulate financial markets and improve the functioning of the International Monetary Fund.
这次峰会为正式会谈只安排了5个小时的时间。峰会还将讨论如何更有效地监管金融市场以及改善国际货币基金组织的功能。
Controllable set: setting time can be flexible to regulate and control from scores of minutes to hours so as to ensure carry out maintenance time and construction project.
可控凝固：几十分钟至几十小时的凝固时间灵活调控，保证维修时间及施工方案的实施；
Controllable set: setting time can be flexible to regulate and control from scores of minutes to hours so as to ensure carry out maintenance time and construction project.
可控凝固：几十分钟至几十小时的凝固时间灵活调控，保证维修时间及施工方案的实施；
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