Could drinking blood be a form of pica, a medical disorder in which people feel compelled to eat non-food items like dirt or paper?
饮血是否为异食症pica患此病症的人会无法自控的去吃一些非食物类的东西，比如灰尘或纸张的一种表现？
According to doctors, the toxic compulsion is a rare medical condition, PICA, which causes an appetite for substances that are largely non-nutritive.
医生称她患上了一种罕见的异食癖，主要症状是对那些非营养性的物质有胃口。
Good LC alignment was achieved by exposing a long_wave linearly polarized ultraviolet (LPUV) light to the PICA film.
用长波线性偏振紫外光(LPUV)照射pica薄膜，能得到很好的液晶取向。
Good LC alignment was achieved by exposing a long_wave linearly polarized ultraviolet (LPUV) light to the PICA film.
用长波线性偏振紫外光(LPUV)照射pica薄膜，能得到很好的液晶取向。
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