main device 主机 mainframe 主机，大型机｛计｝
网络与数据通信 协议体系与组成结构 释文 end system 端系统 网络与数据通信 协议体系与组成结构 释文 host 主机
- Levitzkiǐ radical
- Lev Ivanov
- Lev Ivanovich Oshanin
- Lev Manovich
- Lev Natanovich Lunts
- Lev Nikolayevich Oborin
- Lev Nikolayevich Tolstoy
- levodopa
- levodopa synergistic drug
- levogyrate component
- levo isomer
- levopolarization
- levorotation
- levorotatory substance
- Lev Semionovich Berg
- Lev Semionovich Pontryagin
- Lev Semyonovich Pontryagin
- Lev Semyonovich Vygotsky
- Lev S.Vygotsky
- Lev Tolstoy
- Levuka Historical Port Town
- levulinic acid
- levulose
- Lev Vladimirovich Kuleshov
- Lev Vladimirovich Shcherba