English translation for "前主焦点"

anterior principal foci
anterior principal focus
primary focal point
primary principal focal point

Related Translations:

主焦点:  [光学] meridional focus; primary focus; tangential focus; prime focus; principal focus

近主焦点:  perifocus

主焦点光电管:  prime focus cell

远主焦点:  apocenterapofocus

主焦点馈电天线:  prime focus fed antenna

Similar Words：

"前皱褶柱" English translation, "前皱襞" English translation, "前主点" English translation, "前主动齿轮轴承" English translation, "前主动脉" English translation, "前主焦点,前焦点" English translation, "前主焦距,前焦距" English translation, "前主焦距,主焦距" English translation, "前主静脉" English translation, "前主静脉窦" English translation