The poison element of ceramic ornamental materials and its changes of the limit allowed is described, and its research tendency and realistic state is summed up.
对陶瓷装饰材料中有毒害元素和其允许限定值的变迁进行了论述，归纳了其研究动向与现实状况。
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This can be used to prevent attacks that attempt to poison the DHCP binding database, and to rate-limit the amount of DHCP traffic that enters a switch port.