惯性中心 | |
hydroel.st. | centre of inertia |
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 |
| |||
centre of inertia | |||
center of inertia |
惯性中心 : 11 phrases in 6 subjects |
Automobiles | 1 |
Bridge construction | 1 |
Electronics | 1 |
Geophysics | 1 |
Space | 3 |
Technology | 4 |