Copland始于上世纪90年代，“新一代”是指支持内存保护和抢先式多任务，当时的MacOS不支持这两项功能。
In the 1990s, when Copland was initiated, "next-generation" meant supporting memory protection and preemptive multitasking, both of which classic Mac OS lacked.
在对实时多任务流系统进行统计分析的基础上，提出了一种嵌入JIT思想的立即抢先最优调度算法。
While the just-in-time (JIT) scheduling algorithm can ensure tasks' time limits, but it is unfit to work for multitasks systems.
在对实时多任务流系统进行统计分析的基础上，提出了一种嵌入JIT思想的立即抢先最优调度算法。
While the just-in-time (JIT) scheduling algorithm can ensure tasks' time limits, but it is unfit to work for multitasks systems.
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