line of collimation的意思|示意

准直线 ... line of coding编码线 line of collimation准直线 line of driection标的目的线 ...

视准线 ... 视准系统 collimation system 视准线 line of collimation 视准线法 collimation line method ...

准直轴 ... line of center 中心线 line of collimation 准直轴 line of constant Doppler shift 等多普勒频移线 ...

视直线 ... 瞧直线 trend line 实直线 real line 视直线 line of collimation ...