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It is very important for the selection of plants. Some plants have good stability and high color fastness, such as Dioscorea cirrhosa, persimmon, betel nut, turmeric, etc. Personal experience is that the stability of gardenia is not so good, and the color is easy to fade when washed too much. For reference only. In dyeing, try to choose some plants with good stability to dye, or carry out re-dyeing, which can stabilize the color fastness. For example, we use onion skin to cover with blue dye, and persimmons have higher color fastness after covering with blue dye, and basically will not fade. Of course, according to their own needs of color and luster, other cover dyeing can also be tried.我府旗帜，只一个‘徽字。Finally, I hope every photography lover can take satisfactory and exquisite photos.Second, SYN attack principle一个一事无成的农民，在国家存亡的关键时刻挺身而出，他要以一己之力保卫家国。不过晕乎乎的他能成么？十年前，发生了震撼世界的重大事件“第一次爱之夏”。