[经] internal standard line

... 定标线;calibration line 内标线;比较线;internal standard line 标记;label ...

 internal ratio standard line

... internal ratio standard line 内标线 internal ratio standard area 内标面积 internal ratio standard sample 内标试样 ...

 internal-standard line

... 目标线 line of direction 内标线 internal standard line; internal-standard line 剖线，标线 line mark ...

 standard line

... standard line: 内标线 standard line: 标准线 standard line: 基准线 ...