名词
中文翻译：Unknown
同义词：
['period', 'phase', 'cycle', 'era', 'span', 'interval', 'span of time']
例句：
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1. The seiche period is a critical period for the development of the economy.
这一时期是经济发展的关键时期。
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2. During the seiche period, we need to focus on innovation and improvement.
在这一时期，我们需要专注于创新和改进。
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3. The seiche period has brought about significant changes in society.
这一时期已经给社会带来了重大变化。