传统的电话系统或ip网络描述为竖井(silo)结构，由与网络设备提供商(Net work Equipment Providers, NEP)硬件紧密偶合的专用黑盒解决方案组成。
The traditional telephony system or IP network is depicted as a silo structure, which is comprised of proprietary black box solutions closely coupled with network Equipment Providers (NEP) hardware.
本文通过对我国第一台水介质调速型液为偶合器性能和结构的分析，提出新型结构的构想，以进一步完善设备的功能。
The paper puts forward a new structural concept by analyzing the performance and structure of the first water - medium variable speed fluid couplings to further perfect the functions of equipment.
介绍了侧链氯化、氧化、重氮化和偶合的工艺及设备。
The technology and equipment for the process of side-chain chlorination, oxidation, diazotization and coupling are introduced.
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