BEIJING, July 28 (Xinhua) -- China's Ministry of Water Resources on Monday activated a Level-IV emergency flood response in four provincial-level regions -- Shanghai, Jiangsu, Anhui and Jiangxi -- in ...

BEIJING, June 13 (Xinhua) -- China's State Flood Control and Drought Relief Headquarters on Friday upgraded its emergency response for flood and typhoon control to Level III in the provincial-level ...

线图(line graph)是用线段的升降来表示数值的变化,适合于描述某统计量随另一连续性数值变量变化而变化的趋势,如常用于描述统计量随时间变化而变化的趋势。通常横轴是时间或其他连续性变量,纵轴是统计指标。如果横轴和纵轴都是算术尺度,称普通线图;纵轴是 ...