珠宝

In past years, most of the researches for data protection are focused on increasing the operation speed and bit length of cryptography. This can be used in the embedded system to improve for encryption of output data.

过去在对於嵌入式系统资料安全的保护，大部分的研究致力於改善加密演算法运算位元的长度及运算速度，以增进嵌入式系统对外传输资料加密之安全性。

The noun "action" is singular ; it is the singular form of "actions".

名词&action&是单数，他是&actions&的单数形式。