Methods The CR technique is operated with trigonometric function of positioning is used in 42 cases of foreign body in eyeballs.
本文着重介绍了笔者利用CR技术，对42例眼异物进行三角函数定位的探讨。
Methods The CR technique which is operated with trigonometric function of positioning is used in 42 cases of foreign body in eyeballs.
本文着重介绍了笔者利用CR技术，对42例眼异物进行三角函数定位的探讨。
Objective it is to evaluate the clinical function of Ceramic dental prosthetic restorations with casting gold alloy, casting ti alloy and casting Ni-Cr alloy metal bases.
目的评价铸造金合金基底、铸造钛合金基底、铸造镍铬合金基底烤瓷修复体的临床性能。
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