这款激光器采用单点聚焦技术，能够精确照射目标位置。

This laser uses ___single-point focusing technology to accurately target a specific spot.

这个安全系统采用单点控制，可以管理整栋大楼的出入权限。

The security system uses ___single-point access to manage all building entry permissions.

这场比赛采用单点计分制，每次得分只加1分。

This match uses a ___single-point system where each score adds only one point.