Currently the UK experiences about seven days a year where rainfall is more than 80mm a day – considered a heavy rainfall event. If 30mm of this falls in an hour it typically triggers a flash flooding warning.
FT Digital Edition: our digitised print edition
，这一点在服务器推荐中也有详细论述
Ordered Dithering with Arbitrary or Irregular Colour Palettes。雷电模拟器官方版本下载对此有专业解读
人 民 网 版 权 所 有 ，未 经 书 面 授 权 禁 止 使 用。heLLoword翻译官方下载是该领域的重要参考