ultrasonics 超声学4 S- I# m) C- W: c4 }
electricity 电
5 @7 [& Y3 W- K7 a5 ?& p static electricity 静电0 W z3 @: e8 j
magnetism 磁性,磁力; R2 Z- P0 H$ M y7 m+ f& k9 g' R3 B3 y$ }
magnet 磁体
: i) k; ]4 Y) C9 u, v9 q electromagnet 电磁; ^4 w- W1 c0 E4 a U* i
magnetic field 磁场1 E) D# E# ]1 Q0 R3 f/ b
electric current 电流
) I/ b' L7 m3 ?$ c+ L- [+ v* Y direct current (DC) 直流电
& Y! e+ o, W. X: b: [ alternating current (AC) 交流电
) z+ `+ b6 D+ V9 m% b m electric circuit 电路
- r$ }2 H6 F" [0 S# T electric charge 电荷# @! Y! m- p; [! T& v
electric voltage 电压
4 ]( i4 ^* A. t electric shock 触电' e1 Y1 K+ n: @( d: L6 {
electric appliance 电器
+ R0 ~5 T7 \& `4 ? conductor 导体
; p, E1 o. N8 b0 {, p) n3 |. ^ insulator 绝缘体 |