positivity [ˌpɒzə'tɪvətɪ]

例句:

• Here is an example of immunofluorescence positivity for anti - thyroglobulin antibody.
  抗 甲状腺球蛋白免疫荧光法阳性的病例.
  
• The accuracy rate in PHCcombining positivity of AFU and AFP was 93.9 %.
  AFU与AFP联合检测,可使PHC的诊断阳性率提高到93.9%.
  
• Be a model of encouragement , positivity, helpfulness, humor and compassion.
  成为鼓励、积极 、 乐于助人 、 幽默和同情心的榜样.
  
• Suddenly there were entrepreneurs, Suddenly there was positivity.
  来自VOA
• Being sensitive doesn't mean one doesn't have positivity.
  来自SA
• Hear My Call is where Scott's mask of positivity slips.
  来自BBC