This study presents the clinical results of a surgical technique that expands a narrow ridge, when its ridge width precludes the placement of dental implant.
本研究介绍了牙槽嵴宽度在妨碍放置种植体时应用扩张狭窄牙槽嵴外科技术的临床效果。
Photosynthesis characteristic of maize were improved by planting double line at one width ridge.
大垄双行种植的玉米群体冠层内，叶片光合特性也有不同程度的改善。
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