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1·The findings may have implications for the spread of chronic wasting disease among deer populations.

研究结果可能意味着鹿种群中可能存在着慢性消耗性疾病的传播。

2·The resilience of misfolded prions appears to be a key reason why chronic wasting disease has persisted and spread from its presumed starting point near Fort Collins, Colo.

结构异常的普恩蛋白适应力强，可能是慢性消耗病存续并扩散的关键因素。

3·Weight loss, wasting of muscle, loss of appetite, and general debility that can occur during a chronic disease.

恶病质，差的体质慢性病患者发生的体重减轻，肌肉疲劳，食欲减退和普遍衰弱的症状。