名词
中文翻译：张力收缩
同义词：
['tension', 'contraction']
例句：
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1.The muscles in the neck are under tonic contraction.
颈部的肌肉正在张力收缩。
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2.During exercise, our muscles are under tension and undergo tonic contraction.
锻炼时，我们的肌肉处于张力状态并经历张力收缩。
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3. The tonic contraction of the heart during sleep helps maintain blood pressure.
心脏在睡眠时的张力收缩有助于维持血压。