文中主要研究了北极海冰与中国华北地区降水的关系。
The present paper is mainly about the relationship between Arctic sea ice and the precipitation of North China.
用该方法计算华北地区降水性层状云两次降水过程的平均降水效率分别为68%和59%。
The precipitation efficiencies of two stratiform clouds processes over North China are 68% and 59% respectively.
东亚季风环流对华北降水和气温的共同作用，导致华北地区降水蒸发差发生年际和年代际变化。
The conjunctive actions of the atmosphere circulation over East Asia area on the precipitation and air temperature induced the interannual and interdecadal variations of the DPE in the North China.
在春季AAO偏强的情况下，1976年之前，长江以南地区和华北地区降水偏多，江淮流域降水偏少；
When the AAO in boreal spring was stronger before 1976, there was more rainfall in the south of the Yangtze River and north China and less rainfall in the Yangtze-Huaihe River valley.
在对华北地区降水100年资料的分析过程中，运用不同的时间尺度分别得到6 ~7年、21 ~ 22年和35 ~36年的时间周期规律。
From the 100 years data, approximate 6-7 years, 21-22 years and 35-36 years periods are found respectively.
这一波列会影响我国华北地区的降水。
在华北西北部以沙漠代替草原后，华北地区平均降水有所增加，这主要是由华北北部地区降水增加引起的。
But it will be increased when replacing the grasslands by desert over northwest part of north China and it is caused by the increasing of the precipitation over northern part of north China.
结果表明，华北地区夏季水量丰、枯与气温、降水有较好的相关关系。
The result shows that there is a better relationship between the plentiful or short of the summer water resource in North China and the temperature and precipitation.
周连童，黄荣辉。2006。我国华北地区春季降水的年代际变化特征及其可能成因的探讨[j]。气候与环境研究，11 (4)：441- 450。
Zhou Liantong, Huang Ronghui. 2006. Characteristics of interdecadal variability of spring precipitation in North China and its possible cause [J]. Climatic Environ Res, 11 (4) : 441-450.
高原夏季风强(弱)时，印度全区及我国华北地区容易出现降水偏少(多)。
When the TPSM is strong (weak), the precipitation in all India and North China tends to be less (more) than normal.
高原夏季风强(弱)时，印度全区及我国华北地区容易出现降水偏少(多)。
When the TPSM is strong (weak), the precipitation in all India and North China tends to be less (more) than normal.
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