单宁酸在医药中用作收敛性的物质。

Tannin is an astringent substance used in medicine.

一定程度的收敛性是茶中固有的，而绿茶比红茶为涩。

Some astringency is inherent in tea, but green tea is more astringent than black.

免疫算法具有较好的全局收敛性和很强的自适应环境的能力。

The immune algorithm has better global convergence and very strong self-adaptive ability to the environment.

算例分析表明，该方法具有很好的收敛性和很高的精度。

The analysis shows that the method has good convergency and high precision.

基于熵率上下界收敛性，该文提出了一个算法以计算二态隐马尔可夫过程的熵率。

Based on the convergence of bounds for the entropy rate of binary hidden Markov processes, a numerical approach is advanced.