It was Serena who was looking marginally the more confident though, hitting four ACES in her first three service games.

不过，小威在信心上似乎更胜一筹，在前三个发球局中轰出四记ace球。

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Sampras brought cheers from the crowd at Seoul's Olympic Tennis Arena as he fired down two fierce ACES in his first service game.

当桑布拉斯在首尔奥林匹克网球场上开始获得两个发球得分时，场上的观众报以热烈的掌声。

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The R-GSS model is composed of three components as follows: Access Control Decision Server (ACDS), LDAP Directory Service Server and Access Control Execution Server (ACES).

整个系统包括三个部分：访问控制决策子系统、LDAP目录服务器和访问控制实施子系统。

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In all, Williams hit six aces and won 32 of 39 service points to reach the third round.

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