先进先服务 meaning in Chinese

fifs first in first service

Transaction schedules and concurrency controls are important for real - time database system . to achieve good efficiency in process industry , two phases protocol with ordered sharing locks , and fcfs transaction schedules are applied in this database . according to characteristic of the process industrial real - time database transactions , the granularity strategy of locked area is proposed to enhance the system ' s efficiency
在流程工业背景下，分析了实时数据库系统中事务和并发访问的特点，选择先进先服务为主的事务调度策略和有序共享两阶段锁的并发控制协议，根据文中阐述的流程工业实时数据库事务的分类和特点，提出了在该并发控制协议下的锁定策略，进一步提高了系统事务处理的效率。