from a point meaning in English
起始于一点
Examples
- Consider first a light wave spreading out from a point source .
首先考虑一个点光源发出的光波。 - That is, a plane refracting surface does not image all rays from a point object at the same image point .
就是说，平面折射面并不能将来自点物的所有光线都成象于同一家点。 - From a point about 30 metres east of its junction with
米处起，至同一交界以东约 - From a point about 40 metres west of its junction with
米处起，至同一交界以东约 - From a point about 60 metres east of its junction with
米处起，至同一交界以东约