has been fine-tuning
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present perfect progressiveof fine-tune (3rd person singular).present perfect progressive
Used to describe an action that began in the past, has continued continuously, and is still in progress.
fine-tuneverb (used with object)to tune (a radio or television receiver) to produce the optimum reception for the desired station or channel by adjusting a control knob or bar.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
F1 has been fine-tuning its analysis of which tracks are best suited to hosting sprint events.
From BBC ● Dec. 7, 2022
Though China remains closed to tourism and Japan has been fine-tuning its policy on independent travelers, hotel and tour operators are reporting strong growth.
From New York Times ● Sep. 26, 2022
The real-world digital mapping that Niantic has been fine-tuning is far more impressive, and that’s why I found this step-counter so appealing.
From Los Angeles Times ● Nov. 16, 2021
A year after Hedera raised financing from institutional investors and high net worth individuals, Baird said it has been fine-tuning its platform.
From Reuters ● Aug. 12, 2019
Facebook has been fine-tuning your content stream for years.
From Slate ● Feb. 6, 2014