计算式电子穿孔机
calculating electronic punch
价层电子对推斥理论
valence-shell electron pair repulsion theory; VSEPR
价电子
valence electron
valence electron; valence electrons; valency electrons
valency electron
价电子层
valence shell
价电子近似
valence electron approximation
价电子理论
electronic theory of valenfy
价电子振动
stretching vibrations
减速电子
decelerated electrons
简并电子气
degenerate electron gas
简易电子计算机
simple electronic computer
键结电子
bonding electron
金属的自由电子理论
free-electron theory of metals
浸没式电子显微镜
immedeate electron microscope
经典电子半径
classical electron radius
经典金属电子论
classical electron theory of metal
计数键盘
counting keyboard
计数—键—数据设备
count-key-data device
计算机的键盘打印机
keyboard computer printer
记录关键字
recording key
记录键
record key; recording key