存在严重多径干扰的环境中，使用较长的保护间隔将导致以下哪种结果？
In an RF environment with high multipath, what is the result of using a technology with a longer guard interval?
与其他方法相比，该方法计算复杂度较低，能够避免频谱倒置的情况，并且可以兼顾频谱间的保护间隔。
This method is less computationally complex than other similar approaches, and avoids spectrum inversions, while including analyses of the guard-bands.
当人们对流感病毒没有预先免疫性，他们就需要几周间隔的两次注射而不是一次注射-这在当时免疫接种很多人去保护他们操作是非常困难的。
When people have no pre-existing immunity to a flu virus, they need not just one but two doses of vaccine several weeks apart - making it very hard to immunise many people in time to protect them.
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