尽管微波不会与X射线一样对健康构成风险,但这并不意味着它们毫无风险。微波通过引起水分子振动从而产生热量来加热食物。据FDA称,理论上,微波会以与加热食物相同的方式使人体组织受热,而且在严重的情况下,可能导致烫伤和白内障。但是,FDA认为,这两种类型的伤害非常罕见,并且通常发生在人们接触到透过微波炉的开口(比如密封条的裂口)泄漏大量辐射的时候。
cataract [ˈkætərækt]:n. [眼科]白内障
What's more, the FDA requires microwaves to be designed in a certain way to prevent these types of radiation leaks. For example, the FDA requires that microwave ovens have two interlock systems that halt the production of microwaves the moment the door is opened. And the agency requires that these ovens have a monitoring system that stops the device from operating if one of the interlock systems fail.
此外,FDA还要求微波炉的设计能够防止这类辐射泄漏。例如,FDA要求微波炉有两个连锁装置,当微波炉的门被打开时,这个系统就会停止微波的产生。该机构要求微波炉设置监控系统,如果其中一个连锁系统出现故障,该设备就会停止运行。
As a result, there is "little cause for concern" about excess microwaves leaking out from your oven, unless there is damage to the door hinge, latch or seal, the FDA says.
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