Conclusions: TAHI and embolization are effective, safe procedures for treating middle and late stage gastric carcinoma.

结论：局部动脉内热灌注化疗栓塞是治疗中晚期胃癌的一种安全有效的方法。

youdao

As carefully as people work with radioactivity here, and using often much, much safer radioactive materials than radium bromide, and using them, and special hoods, and having special procedures, they still do a lot of checking with these Geiger counters to make sure everything's safe.

虽然在这里人们,用放射性物质都非常的小心，而且通常用的材料放射性,都比溴化镭要小得多，并且用的时候,都用特殊的容器,特殊的操作过程,但我们平时仍会用。

麻省理工公开课 - 化学原理课程节选

"We believe we have the right underlying systems, policies and procedures to ensure a safe and robust out of hours service, " he said.

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These procedures are necessary to keep us safe, but we have the ability to identify low-risk travelers.

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But I can say the procedures were tough, and they were safe, and lawful, and necessary.

NPR: U.S. Detention Policy Remains Cloudy