打呼是有几方面的因素造成的，但是罪魁祸首是喉管内过份松弛的肌肉和组织，在狭窄的呼吸道内发出声响。
Snoring is caused by a few things, but the biggest culprit is a vibration of very relaxed muscles and tissues in the throat, which rattle against narrow breathing passages.
任何与标准偏离的因素都会影响试样的松弛性能。
Any factors deviating from standard may affect the relaxation property of sample.
橡胶材料的微观结构是其松弛时间谱的内在因素。
The microstructure of rubber material is an intrinsic factor of the relax time spectrum.
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