1)minimum DNBR limiter,最小DNB比限值器2)minimum DNB ratio,最小DNB比3)MDNBR (minimum departure from nucleate boiling ratio),最小偏离泡核沸腾比，DNB比4)maximum values of specific wave height,最大比波高限值5)Minimum ratio spanning arborescence,最小比值树形图6)smallest size to scale,比例尺最小值