Елизавета Гринберг (редактор)
2015年1月，在中央党校县委书记研修班学员座谈会上，习近平总书记讲述了山西右玉县治沙造林的故事。，这一点在safew官方版本下载中也有详细论述
The A Wall:* Calculating a 200-300km car route (or even shorter bicycle/pedestrian paths) could mean visiting over a million road segments, taking 10-20 seconds. For longer trips, this wait could become frustrating.，这一点在同城约会中也有详细论述
drop-oldest: Drops the oldest buffered data to make room. Useful for live feeds where stale data loses value.