英语词汇主点的读音、翻译及短语词组释义-英汉双解词典

单词	主点
释义	主点【化】 principal point 主点zhǔdiǎn(1)[principal point](2)主视线与透视面的交点(3)透镜轴上这样两点中的任一点,这两点的关系是从物体任一点指向一主点的光线将从透镜平行射出,而不通过另一主点(4)航空照相机的透镜光轴与胶片面的交点
随便看	feed water inlet feed water inlet valve feed water plug feed water pump feed(water)pump feed water regulator feed water stop valve feed water tank feed water unit feed water valve feed well feedwell feed yeast fee expectant fee farm rent fee-faw-fum fee for acknowledgment of receipt fee for analysis certificate fee for certificate of origin fee for quality certificate fee for safe custody fee-for-service fee interest feel feel a delicacy about

英汉双解词典收录913115条英汉汉英双解翻译词条，基本涵盖了全部常用单词的读音、翻译及用法，是英语学习的有利工具。