Through questionnaire investigation on 60 male winter swimmers, physiology index testing and documentary, this article discusses the influence of winter swimming on body health.
通过对6 0名男子冬泳爱好者的问卷调查、生理指标测试和文献资料调研，探讨冬泳对人体健康的影响。
The paper mainly introduces the design project of HFC forward transmission network in Antu County, including scheme, technique index and system index testing of optical cable transmission network.
主要介绍安图县HFC正向传输网络方案的设计，包括光缆传输网络方案、技术指标及系统指标验证。
The paper mainly introduces the design project of HFC forward transmission network in Antu County, including scheme, technique index and system index testing of optical cable transmission network.
主要介绍安图县HFC正向传输网络方案的设计，包括光缆传输网络方案、技术指标及系统指标验证。
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