Terms for subject Polygraphy containing step

English	Chinese
back mark; black-step marks; collating mark; nigger head; registrum	折标
back step marks ; collating mark	配页记号
black step	书帖标记
calibrated step wedge	校准分段楔
calibrated step wedge	校准〔刻度〕级变楔
continuous tone step scale; continuous-tone step wedge	连续调梯尺
photoimposition photocomposing; step and repeat; stepping	连晒
step and repeat stripping	连晒拼版
step-and-repeat	图像连排
step-off method	逐段曝光测试法
step-up	上下连晒或连拍