reef flat , reef crest and reef front margin can be recognized in the reef core facies.
礁核相包括礁坪带、礁冠带和礁前缘带。
the beach and reef flat on the coral reef coast are the most active areas of the coastal geological process and most closely related to coastal development and erosion in the past tens of years.
珊瑚礁海岸海滩和礁坪是海岸作用最活跃的部分,也是近几十年来与海岸发育、海岸侵蚀联系最密切的部分。
the incomplete beach and reef flat is situated on the active zone of coastal process.