In this paper the basic principle of Nuclear Magnetic Reso-nance (NMR) technique and its application in metal research are introduced.
本文介绍了核磁共振技术的基本原理及其在金属研究中的应用。
The experiment also show the removable heavy labial wire anchorage system is better than Nance palatal arch and lip bumper.
实验研究也显示在阻止磨牙近中移动方面，该系统优于腭托及唇挡。
The experiment also show the removable heavy labial wire anchorage system is better than Nance palatal arch and lip bumper.
实验研究也显示在阻止磨牙近中移动方面，该系统优于腭托及唇挡。
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