- 后偏折焦點(diǎn)
- post: n. 1.〔主英〕郵政;郵寄;(一批)郵件 (cf.〔美 ...
- focus: n. (pl. focuses, foci ) 1.【物 ...
- post deflection focus tube: 偏轉(zhuǎn)后聚焦管
- post deflection acceleration: 偏轉(zhuǎn)后加速度; 傾斜后的加速度; 傾斜后加速度
- post deflection acceleration tube: 偏轉(zhuǎn)后加速管
下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯