2) one direction assistant sets
单向副集
1.
According to the concept of one direction assistant sets,the concepts of one direction internal assistant sets and one direction rough assistant sets and the concepts of their eigenvalue are proposed.
根据单向副集的概念,提出单向内副集与单向粗副集的概念,单向副集、单向内副集与单向粗副集特征值的概念;提出单向副集与单向粗副集关于单向S-集合与单向S-粗集的迁移度的概念,基于这些概念给出相关的定理;最后以实例分析单向粗副集的特征值与迁移度的存在背景与应用。
3) one direction internal assistant sets
单向内副集
1.
According to the concept of one direction assistant sets,the concepts of one direction internal assistant sets and one direction rough assistant sets and the concepts of their eigenvalue are proposed.
根据单向副集的概念,提出单向内副集与单向粗副集的概念,单向副集、单向内副集与单向粗副集特征值的概念;提出单向副集与单向粗副集关于单向S-集合与单向S-粗集的迁移度的概念,基于这些概念给出相关的定理;最后以实例分析单向粗副集的特征值与迁移度的存在背景与应用。
4) one direction rough assistant sets
单向粗副集
1.
According to the concept of one direction assistant sets,the concepts of one direction internal assistant sets and one direction rough assistant sets and the concepts of their eigenvalue are proposed.
根据单向副集的概念,提出单向内副集与单向粗副集的概念,单向副集、单向内副集与单向粗副集特征值的概念;提出单向副集与单向粗副集关于单向S-集合与单向S-粗集的迁移度的概念,基于这些概念给出相关的定理;最后以实例分析单向粗副集的特征值与迁移度的存在背景与应用。
5) lower pair
低副
1.
Research on arc block-roller type of lower pair overrunning clutch;
弧块-滚柱式低副超越离合器的研究
2.
Unidirectional overrunning clutch with dual-wedge-block lower pair;
一种双楔块低副单向超越离合器
3.
The traditional method of a higher pair replaced by lower pairs is proved to be able to guarantee the mechanism with higher pair and its equivalent lower pair mechanism have the same freedom,instantaneous velocity and instantaneous acceleration.
证明了机械原理中传统的高副低代方法可保证此高副机构和它的低副替代机构自由度不变、瞬时速度和瞬时加速度不变。
6) slow return check valve
低速回程单向阀
补充资料：低都儿低
1.低而又低，很低。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条