[唐]代宗时人。工正书及八分，大历八年（七七三）徐安贞撰唐徐偃王庙碑，为其正书，碑阴记宙撰，并八分书。《金石录》
这显然与北部拉张条件下形成登封绿岩带的环境不同。也有别于显生宙之后发生附冲作用的环境。
Clearly, it is different from Archean greenstone belt, for example, the Dengfeng greenstone belt located adjacent to it on the north.
我国数学教育家张奠宙提出，数学教学的目标之一，是把数学知识的学术形态转化为教育形态。
Zhang Dianyu, a mathematics educator from our country proposed that the objective of mathematics teaching aims at transforming academic appearance into educating appearance.
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