环状网指的是使用一个连续的环将每台设备连接在一起。它能够保证一台设备上发送的信号可以被环上其他所有的设备都看到。在简单的环状网中，网络中任何部件的损坏都将导致系统出现故障，这样将阻碍整个系统进行正常工作。
环状网络 [计] loop network ; ring network ; network ring
环状网路 Ring Network
象征性环状网络 token ring network
星布线环状网络 star wired ring network
环状管网 pipe network ; cyclic network of pipes ; loop pipe network ; loop system
的高速环状网络 GLORIAD
视网膜环状变性 circinate degeneration of retina
环状管网系统 grid pipe network system
环状视网膜病变 circinate retinopathy
为了便于实际应用，同时给出了井灌区管灌典型情况的树状网和环状网管网系数的计算公式。
For the convenience of application, the paper also presents the pipe network coefficient formula for typical branching network and loop network in well irrigation district.
基于建筑原有的柱网，室内呈现出环状的空间结构：中央区域为岛式空间，周边为铁制书架墙体。
Based on the original pole net of the building, the inside turns out to be a ring-like space structure: the central district is island-style space surrounded by iron bookshelf walls.
管状嵴的线粒体、多层同心环状的滑面内质网以及高尔基体较为常见。
The mitochondria with tubular cristae, multilayer concentric circular smooth endoplasmic reticulum, and golgi complexes are often observed.
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