The system features low cost, high efficiency and good security.
该系统成本低，效率高，安全保密性好。
This product has power efficiency, good security and high reliability.
该智能燃气表具有功耗低、安全性好、可靠性高的特点。
The scheme has high security class and efficiency used in signature.
实践证明该体制具有较高的安全性，而且签名效率也较高。
The invention has the advantages of reasonable structure, low cost, high efficiency, security and efficiency.
本发明结构合理，低成本、高效率、安全有效。
The invention has the advantages of reasonable structure, low cost, high efficiency, security and efficiency.
本发明结构合理，低成本、高效率、安全有效。
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