假想线 meaning in English

imaginary line

The imaginary line extending through a font and representing the line on which characters are aligned for printing
一条通过的字形的假想线，表示印刷时字符应依此线排齐。
Any of the imaginary lines representing degrees of latitude that encircle the earth parallel to the plane of the equator
纬线，纬度圈与赤道平面平行且环绕地球用来表明纬度高低的许多假想线中的任意一条
187 there are various types of lines on the drawing such as : border lines , visible lines , invisible lines , break lines , phantom lines
图上有各种形式的线条，诸如：边框线、实线、虚线、剖面线、中心线、引出线、尺寸线、断裂线、假想线。
187 there are various types of lines on the drawing such as : border lines , visible lines , invisible lines , break lines , phantom lines
图上有各种形式的确是的线条，诸如：边框线、实线、虚线、剖面线、中心线、引出线、尺寸线、断裂线、假想线。
Ordinary materials such as glass lenses bend light so that the refracted ray is on the opposite side of the “ normal , ” the imaginary line perpendicular to the surface of the medium
玻璃镜片等一般材料能使光线偏折，折射后的光线位于法线（垂直于介质表面的假想线）的另一侧。