1) internal direct intersection
内直交
1.
The concepts of co-independent Submodules and internal direct intersection of a set of submodules are introduced, and some i nteresting properties and characterizations are presented.
在无关子模的基础上,引入了余无关子模及内直交的定义,并探讨了几个有趣的性质和刻划,最后作为应用,给出中国剩余定理的另一种证明。
2) direct inward dialing (DID)
直拨内线,直接入[小交换机分机]
3) AC-DC-AC
交-直-交
1.
Research on Three-Level AC-DC-AC Converter Equipped With IGCTs;
7.5MVA大功率三电平IGCT交-直-交变流器
4) AC/DC/AC
交/直/交
1.
Analysis of double-fed machine with the AC/DC/AC control strategy and its simulation;
双馈电机交/直/交控制系统仿真分析
5) AC-DC-AC
交直交
1.
Electric parameters test for asynchronous motor in AC-DC-AC variable frequency speed control drive system;
交直交变频调速传动系统异步电动机电参量测试的研究
2.
By analyzing the problem of the railway signal power supply at present,this paper discussed the infection about power harmonic and double-loop feeding cut at the sime time and single feeding failure cut,introduced performance of AC-DC-AC supply dvice and provided the scheme about reliable power supply for electrization railway and nonelectrization railway.
通过对目前铁路信号供电中存在问题的分析,论述了电源内的高次谐波、双电源回路同时停电、单电源回路故障停电对信号系统的影响,介绍了采用交直交电源装置使用效果,为电化区段、非电化区段,单、双回路供电提供可靠电源的技术方案。
6) intersection
[英][,ɪntə'sekʃn] [美]['ɪntɚ'sɛkʃən]
直交;交点
补充资料：交直
1.交班。
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