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在新石器时代晚期与殷商西周玉雕中,有一些形制特殊的齿牙形玉器,基本器型有牙璧、牙璋、玉戚和玉刀四种。关于牙璧(也称玉璇玑),夏鼐先生曾作过深入的研究,澄清了玉璇玑是天文仪器的讹传,并指出: “它的用途,当和璜、玦一类相似,作为装饰物,可能也带有宗教或辟邪的作用。”也有学者对相当于二里头文化的传世长方形多孔玉刀作过探讨。而牙璋、玉戚是齿牙形玉器的大宗,考古报告和资料虽有所论及,但过于简略。因此,对它们的起
In the late Neolithic and Shang Shang Zhou jade, there are some special shaped tooth-shaped jade, the basic type of tooth bite, tooth Zhang, Yu Qi and Yu Dao four. On the toothpick (also known as jade Xuanji), Mr. Xia Yu had made in-depth study to clarify the jade Xuanji is ascribed to astronomical instruments, and pointed out: “Its use, and Juan, a similar category, as decorative objects , May also have religious or evil spirits. ”There are also scholars on the equivalent of Erlizou culture handed down rectangular rectangular jade knife made a discussion. The tooth Zhang, Yu Qi is a large tooth-shaped jade, archaeological reports and information, although discussed, but too brief. So, for them