As shown in Listing 8, these tests are easy to perform.
如清单8所示，这些检查很容易执行。
Low-level, full-speed passes down the runway are easy to perform and fun to watch.
低级，全速向下传递的跑道很容易执行，并让人赏心悦目。
It is easy forget that useful code can take some time to perform its function.
有用的代码要花些时间来执行其功能，这一点容易被遗忘。
It's a very easy trick to perform.
这是一个很容易的伎俩来表演。
It's a very easy trick to perform.
这是一个很容易的伎俩来表演。
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