过了二十分钟后，我确定是安全的，因此我拉开了它的拉环。
After 20 minutes I thought it was safe, so I lifted the ring to open the can.
Naidenko博士说，“下一步是要确定这些被用的成分已经被彻底的进行了检测并被确定是安全的。”
The next step is to make sure the ingredients used have been thoroughly tested to determine their safety.
当一个用户试图访问带标签的数据时，要将他的LBAC凭证与保护数据的安全标签进行比较，以确定是否允许访问。
When a user tries to access labeled data, his LBAC credentials are compared to security label protecting data to see if access is allowed.
可能被污染的衣物或个人物品可以按照大量泄漏的处置指南测试后确定是否可以安全的重新使用。
Clothing or personal belongings that may be contaminated can be tested following the guidance under Large Spills to see if they can be safely returned for use.
安全帽不能以任何方式进行修改，如钻孔并且进行定期检查以确定是否有明显的裂纹，缺陷和有效期。
Hard hats shall not be modified in any way, such as drilling and shall be regular inspected for visible cracks, defects and expiration date.
多泥沙河流水电站水轮机机型的选择确定是影响电站投运后是否能安全、经济稳定运行的关键问题。
Selectim of hydraulic turbines operating on sediment-laden river is the key guaiantee safe , economic and steady operation.
露天转地下开采矿山地下首采中段安全顶住厚度确定是矿山的关键技术问题，采用MSC。
The determination of safe pillar's thickness in the middle section of the first mining for transferring to underground mining from open pit is the key technical issue for mine. With MSC.
确定是否已取消安全上下文的流动。
Restores the flow of the security context across asynchronous threads.
因此，蒸汽湿度、透平油中含水率和氢气湿度准确测量与确定是一个重要的研究方向，对机组的安全经济运行提供帮助与指导。
So the accurate measurement of steam wetness and water ratio and wetness in hydrogen is a important research direction which can provide guiding for safe and economic operation of unit.
因此，蒸汽湿度、透平油中含水率和氢气湿度准确测量与确定是一个重要的研究方向，对机组的安全经济运行提供帮助与指导。
So the accurate measurement of steam wetness and water ratio and wetness in hydrogen is a important research direction which can provide guiding for safe and economic operation of unit.
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