无论是需要输入迭代器还是输出迭代器，均可以使用向前迭代器。
Forward iterators can be used anywhere an input or output iterator is required.
无论是需要输入迭代器还是输出迭代器，均可以使用双向迭代器。
Bidirectional iterators can be used anywhere that an input or output iterator is required.
无论是需要输入迭代器还是输出迭代器，均可以使用双向迭代器。
Bidirectional iterators can be used anywhere an input or output iterator is required.
无论是需要常量输入迭代器还是常量输出迭代器，均可以使用双向迭代器。
Bidirectional iterators can be used anywhere that a constant input or constant output iterator is required.
无论是需要反向输入迭代器还是反向输出迭代器，均可以使用反向双向迭代器。
Reverse bidirectional iterators can be used anywhere that a reverse input or reverse output iterator is required.
无论是需要常量反向输入迭代器还是常量反向输出迭代器，均可以使用常量反向双向迭代器。
Constant reverse bidirectional iterators can be used anywhere that a constant reverse input or constant reverse output iterator is required.
标准库定义了五种迭代器类别：输入、输出、前向、双向和随机访问迭代器。
There are five iterator categories: input, output, forward, bidirectional, and random access.
还证明了紫外信道是最小相位系统，可以进行盲均衡，结果指出，只要迭代次数足够，CMA盲均衡器输出误码率与滤波器阶数、迭代步长关系不是很明显。
It is proved that UV channel is a minimum phase system and can use blind equalizer. Ber is not sensitive to the step size and tap number for CMA blind equalizer.
还证明了紫外信道是最小相位系统，可以进行盲均衡，结果指出，只要迭代次数足够，CMA盲均衡器输出误码率与滤波器阶数、迭代步长关系不是很明显。
It is proved that UV channel is a minimum phase system and can use blind equalizer. Ber is not sensitive to the step size and tap number for CMA blind equalizer.
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