n. 

技术
queueing theory 
论;大系统服务理论
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helpmate,
helpmeet,
Helsingfors,
Helsinki,
helter-skelter,
helve,
Helvella,
Helvellales,
helveous,
Helvetia,
相似单词
quetzal,
Quetzalcoatl,
queue,
queue jumper,
queued,
queueing,
queue-jump,
queue-jumper,
queuer,
queues,