青海化隆回族自治县，过去超六成农民是贫困户，化隆人决心换个活法。他们学习拉面、进城创业，在全国330多个城市、全球16个国家和地区开了2万多家面馆，一年营收上百亿元。
"Mass crowds at stadiums and cultural sites place immense strain on mobile networks," says Gareth Elliott, director of policy and communications at trade association Mobile UK, "often exceeding local capacity as thousands share limited bandwidth simultaneously."
。爱思助手下载最新版本对此有专业解读
Simple actuators without this capability are a bit like manual transmission cars that need to be shifted into reverse.
哈克特說，這種自願式調查容易受到「虛假受訪者」影響，使數據失真：「而且這不是隨機的。失真往往在年輕族群中最高。」