可用: available; usable单元: unit; unit element; cell; lo ...队列: queue; formation可用页队列: available page queue备用单元: stand-by block测试用单元: test cell调用单元: call unit; calling location复用单元: multiplexing unit mxu共用单元: common cell禁用单元: forbidden cell无用单元: hash引用单元: precedents引用单元格: precedents用单元库: uses语用单元: pragmatic unit作用单元格: active cell可用部件队列: available unit queue可用页面队列: available page queue无用单元收集: collection of garbage; dc; garbage collection无用单元压缩: garbage compaction信元复用单元: atm cell multiplex unit循环专用单元: loop box追踪引用单元: trace precedents部分队列单元: partition queue element实时队列单元: rtqe real time queue element