为简单起见，除调用的视图不同之外，这两个控制器之间并没有太多不同之处。
For simplicity, there is not much difference between the two controllers except for what view they call.
但演习与实际喷发有几个关键的不同之处：演习仅持续一天，几乎不会影响除空中管制员外的任何个人。
The exercise differed from the real thing in some crucial ways: it ran for only a day, and it hardly affected anyone who wasn't an air-traffic controller.
除在投票上有分歧之外，SEC此次行动的另一个不同寻常之处是它的突然性。
In addition to the divided vote, another unconventional aspect of the SEC suit was surprise.
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