通过大学预修课程计划，学生在中学就可以拿到大学的学分。
Through the AP programme students can earn college credits in high school.
国会应该考虑直接这么做（指的是前文的降低价格），这可以通过向预检注册提供资金或削减其他方面的开支来实现。
Congress should look into doing so directly, by helping to finance PreCheck enrollment or to cut costs in other ways.
这些虚拟化特征的使能者包括冗余虚拟系统以及通过预配置镜像进行的虚拟系统部署。
The enablers for these virtualization characteristics include redundant virtual systems and virtual system deployment via pre-configured images.
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