Six other patients ( all at least middle - aged ) raised suspicions about the CWD risk to humans.

另外六位患者 ( 是 中年 以上 ) 加强了慢性消耗病对人类危险性的怀疑.

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The CWD is sensi _ tive to gypsum contents, especially in the range 0 - 30 % ( in mass ).

化学需水量对石膏含量非常敏感, 特别在质量分数0 ～ 30%范围内.

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For years, researchers thought CWD resulted from nutritional deficiencies, poisoning , or stress from confinement.

多年来, 研究人员一直以为慢性消耗病来自于营养不良 、 毒素, 或因圈养造成的压力.

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The CWD is sensi _ tive to gypsum contents, especially in the range 0—30 % ( in mass ).

化学需水量对石膏含量非常敏感, 特别在质量分数0～30%范围内.

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