利用国内外287次5级以上的实际地震记录，用峰值不对称比描述了加速度峰值不对称性的特征和规律，提出了其估计公式。
Using the records of 287 earthquakes above the magnitude 5 the feature of the asymmetry ratio of PGA is described and the its calculation formula.
前一篇文章显示WS - SecureConversation对称加密显然比WS - Security不对称加密具有更好的性能，特别是在加密消息时。
The earlier article showed that WS-SecureConversation symmetric encryption provides considerably better performance than WS-Security asymmetric encryption, especially for encrypting messages.
之所以说这场战役是不对称的，主要是因为微软投入了比Google更多的金钱以赢得企业用户。
The war is asymmetric because Microsoft USES a lot more money than Google to win enterprise customers.
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