Some astringency is inherent in tea, but green tea is more astringent than black. 一定程度的收敛性是茶中固有的，而绿茶比红茶为涩。
The algorithm shows that this encoding method can effectively prove the astringency of the algorithm, and is easier to obtain the optimal solution. 算例表明，这种编码方式可以有效提高算法收敛性，更容易获得最优解。
astringency英英释义
Noun:
a sharp astringent taste; the taste experience when a substance causes the mouth to pucker
the ability to contract or draw together soft body tissues to check blood flow or restrict secretion of fluids
