main anomaly造句

• The modified zndx in comparison with others is well indicative of the severity and extent of flood / drought event and of more objective classification of them , which is therefore quite applicable to a extended area . ( 3 ) the main anomaly structures of grades of drought / food in summer over northwest china present pluvial pattern and dry pattern in all the areas , and spatial changes are opposite pattern from the noth to the south and the west to the east . the first four rotated loading vector fields represent four principal precipitation anomaly areas : the weishui river basin , east of the qinghai - xizang plateau
  但修订过的zndx指数根据气温、土壤湿度及前期气候湿润度等因子能够客观的反映出西北地区的旱涝特征。 ( 3 )西北地区季与年区域旱涝等级表明：西北地区的干旱雨涝有显著的阶段性和年际变化特征。 1980 ’ s到1990 ’ s中期，气候较湿润，土壤湿度增墒较明显； 1990 ’ s中期以后是40年干旱最异常的时段； 1960 ’ s旱涝交替发生，旱涝趋势接近常年； 1970 ’ s气候虽干旱，但没有1990 ’ s中后期显著。