pencil of lines
短語(yǔ)詞組
- pencil l of lines 線束
- perspective pencil of lines 透視線束
- pencil of qavallel lines 平行直線束
- a pencil of lines 線束
- pencil of parallel lines [數(shù)]平行線束;并行線束
- pencil of central lines 中心直線束
- pencil of straight lines 直線束
- harmonic pencil of lines [數(shù)]調(diào)和線束 返回 pencil of lines