[文法] both?

[steven123456 (steven)]

念paper遇到個困難

請問句子

72dogs met the following inclusion criteria: blood
glucose>250mg/dl, glucosuria and ketouria, ketonemia, or both.

這樣a, b and c, d, or both.
到底是什麼意思呢?
謝謝大家幫忙
:)

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