lunar r module 登月舱
left r module 左r模
right r-module 右r模
R-module isomorphism R一模同构
free r-module 自由r模
printer r module 打印机组件
finitely generated r-module 有限生成模
pure projective left R-module 纯投射左R模
colour r decoder module 彩色解码组件
R is semihereditary ring if and only if the sum of two coflat submodules of every R module is coflat module;
是右半遗传环当且仅当任一右R 模的两个上平坦子模的和上平坦；
Supported by institute 38 of CECT, a S-band miniaturize T/R module based on MCM technology is studied in this paper.
本课题结合中电科技集团38所的科研项目，研制了一种基于MCM技术的小型化S波段T/R组件，达到了良好的效果。
Finally, the prototype of a new type snakelike robot based on the P-R module was produced, which further verified the agility of P-R module.
最后通过研制的新型攀爬蛇形机器人样机，验证了P - R模块的可实现和灵活性。
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