理学 计算与理论化学 释 open system 开放系统 与外部环境发生相互作用的系统称为开放系统。 理学 系统学 释 open system 开放系统 与外部环境存在物质、能量或信息交换的系统。与开放系统相对应的是封闭系统。客观世界中，封闭系统的存在是相对的，开放系统的存在是绝对的。
＞物理化学＞热力学(含统计热力学)＞释义 open system 开放系统
网络与数据通信 协议体系与组成结构 释文 open system 开放系统
- Poems by Emperor Guangxu
- Poems by the Poets from Hunan
- Poems by the Poets from the Heyday of the Tang Dynasty
- poem sentence relay
- Poems from the Daoguang, Xianfeng, Tongzhi and Guangxu Eras of Qing
- Poems Modelled after "A Hard Journey" Lyric Song
- Poems Modelled after "White Ramie Fabrics Dance" Lyric Song
- Poems Modelled after Yezhong Yong
- poems,music and dance of same souce
- Poems of Li Chengxiang
- Poems of Miscellaneous Styles
- poems of miscellaneous styles
- Poems of Moon-Spring Poets' Society
- Poems of Mr.Hedong
- Poems of Tang Selected by People of Tang
- Poems of the Five Dynasties
- Poems of the Prosperous Tang Dynasty
- Poems of the Song Dynasty Selected by Cao Xuequan
- Poems of the Yuan Dynasty Selected at Emperor Kangxi's Imperial Decree
- poems on farming
- poems on poetry
- Poems on the Past Romance
- Poems on "Zuo's Commentary on Spring and Autumn Annals"
- Poems Presented to A Scholar Joining the Army
- Poems Presented to My Cousin