- 1. 虚焦点: virtual focus
虚焦点(virtual focus )：通常把凹透镜的焦点叫做虚焦点,它不是折射线的交点,而是折射线的反向延长线的交点。
dict.youdao.com - 2. 虚焦点: imaginary focus
... image focusing electrode 影像聚焦电极 imaginary focus 虚焦点 impulse-focused time-of-flight mass spectro-meter 脉冲聚焦飞行时间质谱仪 ...
dict.youdao.com - 3. 虚焦点: apparent focus
... Apparent Field 外观 apparent focus 虚焦点 Apparent Luminance 外表照明，视亮度 ...
dict.youdao.com - 4. 虚焦点: focus, virtual
... focus, real 实焦点 focus, virtual 虚焦点 focused-ion beam (FIB) 聚离子束 ...
dict.youdao.com - 5. 焦点虚: out of focus
dict.youdao.com - 6. 称作焦点虚糊: Out focus
dict.youdao.com - 7. 焦点发虚: diffusion of focus
dict.youdao.com
有道词典