乱卖、采吃野生植物! 同时,在购买和食用五指毛桃、金银花、鸡血藤藤茎等药材时,需要小心谨慎,检查食材中是否含有断肠草。 如果在喝汤后出现头晕、视物模糊、腹痛、腹泻、呕吐、乏力、呼吸困难等症状,一定要及时就医。建议携带汤料以便检验,方便救治。...
花海,是一种开满鲜花的自然景观或园林景观。花海由很多开花密集的花草或树木构成,远远望去,看不到边际,如海洋一般广阔;风吹来时,花浪起伏,也如同大海的波涛翻滚,故名。 天然花海常常可以在草原、森林边缘和河流附近看到。人工花海最早源于工业加工用花、种子种球生产用...
The problem of determining whether a set of real-time messages can be routed in a network is considered. Each message has five parameters-origin node, destination node, length, release time, and deadline. The complexity of the problem is considered under various restrictions of four parameters-...