isochronism curve等时性曲线
strict isochronism严格等时性
areal isochronism区域等时线
isochronism error等时性误差
isochronism oscillation等时振荡
its strict isochronism严格等时性
isochronism eed governor同步调速器
law of isochronism等周定律
isochronism of sequencs层序等时性为层序界面