ECC算法具有密钥长度短、安全性高、计算效率高等优点，但是ECC算法的实现本身面临着许多问题。
ECC algorithm has some excellences like short key, high security and high efficiency, on the other hand it also faces many questions.
该法与其他方法相比，具有算法简单、运行时间短、效率高等优点。
Compared with other methods, this method has the advantages of simple algorithm, short run timo and high efficiency, etc.
该算法具有理论基础严谨，收敛速度较快，精度较高等优点。
It has fast convergence rate and high precision with strictly theoretical basis.
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