Land preparation for basin irrigation is accomplished by forming a narrowridge between 15 and 50 cm high on all sides of each area to be flooded.
格田淹灌的田间准备是在每一个灌溉田块周围形成15—50厘米高的窄田埂。
2
This study presents the clinical results of a surgical technique that expands a narrowridge, 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。
3
Barrier reef: a long, narrowridge of coral or rock parallel to and relatively near a coastline, separated from the coastline by a lagoon too deep for coral growth.