n.

leisure time away from work devoted to rest or pleasure

"we get two weeks of vacation every summer"

同義詞：holiday

the act of making something legally void

Single Server Queues with Vacations
M/M/1 queues with working vacations (M/M/1/WV)
M/M/1 queues with working vacations (M/M/1/WV) ☆
M/G/1 queue with multiple working vacations
Queueing analysis volume 1: vacations and priority systems
The threshold policy in the M / G /1 queue with server vacations
A Single-Server Queue with Server Vacations and a Class of Non-Renewal Arrival Processes
Stochastic decompositions in the M/M/1 queue with working vacations
Stochastic Decompositions in the M/G/1 Queue with Generalized Vacations
Priority rule-based heuristic for multi-mode resource-constrained project scheduling problems with resource vacations and activity s...