分层控制 | |
tech. | hierarchic control; hierarchical control |
DPA系统 | |
pest.contr. | DPA System |
F系统 | |
rem.sens. | F system |
PELV系统 | |
el.mach. | PELV system |
SELV系统 | |
el.mach. | SELV system |
TN 系统 | |
IT | TN system |
TN-C 系统 | |
IT | TN-C system |
TN-C-S 系统 | |
IT | TN-C-S system |
TN-S 系统 | |
IT | TN-S system |
| |||
hierarchic control; hierarchical control |
分层控制 : 20 phrases in 7 subjects |
Automobiles | 1 |
Earth sciences | 1 |
Ecology | 1 |
Electronics | 5 |
Hydroelectric power stations | 2 |
Mining | 1 |
Technology | 9 |