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。

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.

youdao

只有在社会道德允许的最大范围内，不跨过现代标准的底线，做我想做的，才能适应时代变迁的现实，快乐地享受生活。

Only the maximum allowed in the social and moral within the modern standards of the bottom line is not crossed, do what I want to adapt to the realities of changing times, happy and enjoy life.

youdao