雾凇，是吉林市冰雪旅游的一张名片，每年冬天吸引大量游客前来观赏，但形成条件十分苛刻。为避免游客扑空，吉林市文化广播电视和旅游局牵头建立了“雾凇景观专项预报系统”，并依托气温、湿度、风力等实时监测数据，结合播报员们的实地观测，每日清晨推送17处雾凇观赏点位的推荐指数。
The first problem is hard to quantify. It is a designer’s call what “too many responsibilities” is (well, only until we see it in code, then it will be more apparent). If you were to say “one responsibility per module”, you would often end up with a plethora of small modules. Such a situation increases the cognitive load of the design. The same will happen if you assign too many responsibilities to each module. Of course, the High Cohesion pattern is something that will come in handy here.
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2026-03-04 10:00:00
第19届肖邦国际钢琴比赛获奖名单公布后，王紫桐（左三）祝贺陆逸轩（左二）。图丨© Wojciech Grzedzinski