提出二八定律的是（）。 A: EugeneGarfield B: C: D: Bradford E: Billings， F: A G: Harris， H: J
提出二八定律的是（）。 A: EugeneGarfield B: C: D: Bradford E: Billings， F: A G: Harris， H: J
Question 4: What could pollution affect according to Billings?Answer: Pollution could affect the ___________, which could impact the regulation of breathing and sleep.
Question 4: What could pollution affect according to Billings?Answer: Pollution could affect the ___________, which could impact the regulation of breathing and sleep.
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