An official pagededicated to the trendcalled “Strolling the Street to Eat Delicious Food” can also be found when searching for Citywalk on the platform. 当在平台搜索Citywalk关键词时,还会出现名为“漫步街头享美食”的官方活动专属页。 #03 为什么各国叫停跨国...
摘要: This paper studies the optimal investment and benefit adjustment problem for a collective DC pension plan under longevity trend. We assume that the mortality hazard rate is a function of age and time, which extend the Makeham's...
摘要: This talk discusses stochastic control problems motivated by optimal consumption with wealth benchmark tracking. The benchmark process is modeled by a combination of a geometric Brownian motion and a running maximum process, indicating ...
Part 8 :气候环境类recycled water再生水renewable energy可再生能源sewage treatment污水治理recyclable 可回收的deforestation rate森林砍伐率water and soil erosion水土流失 temperature 温度muggy 闷热潮湿的humidity 湿度breeze 微风climate trend 气候趋势climate variation 气候...