症状的严重性、频繁度和持续时长会因患者和他们特定的疾病而 异。
The severity, frequency, and duration of symptoms vary depending on the individual and his or her particular illness.
他表示，如果研究结果显示这并不与特定疾病相关，而却在全球有更广泛的影响，这将表明此类基因也许对延缓衰老起到基础性作用。
If it turns out there's no disease-specific relationship, but instead a more global influence, that would suggest these genes may have a fundamental role in slowing the aging process, he said.
现行的红外理疗仪器大多为宽谱治疗仪器，针对性不强，致使某一特定的波长可以治疗何种疾病这一重要关系至今尚无定论。
Up to now, most infrared medical instruments work in the wide spectral band. In these cases, it is not sure that which spectral band should be used in curing one special disease.
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