1) Yearly snow days
年积雪日数
2) number of snow cover days
积雪日数
1.
The empirical orthogonal function method is applied to decompose the number of snow cover days of 240 meteorology stations in Hetao region and its vicinity(30°~43° N,102°~120° E) from 1961 to 2000;the temporal-spatial anomaly distribution in this area is analyzed.
利用河套及其邻近地区(30°~43°N,102°~120°E)240个地面气象观测站1951—2006年的积雪日数资料,采用EOF/REOF进行分解,分析了该区积雪的时空异常分布情况。
3) Snow day contrast
积雪日数对比
4) beginning date of snow cover
积雪初日
1.
The beginning date of snow cover in north is one month early than that in south.
5个月的可积雪期,积雪初日北早南晚,南北相差1个月;终日南早北晚,南北相差1。
5) ending date of snow cover
积雪终日
6) perpetual snow
万年积雪
补充资料：尧年舜日
1.比喻盛世。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条