The waves are not noticeable out at sea because of their long wave length.

这些海浪在海上看起来不是很明显，因为它们的波长很长。

youdao

The result of this experiment was not noticeable for a long period.

这个实验结果长期不显著。

《新英汉大辞典》

If the interruption lasts for a few milliseconds, it is usually not noticeable to the human eye, ensuring operational continuity.

如果中断只持续几毫秒时间，那么这通常不会被肉眼所识别，这样运营持续性也仍然能够保证。

youdao

"That will not have any appreciable or noticeable impact on the air traffic control infrastructure in the foreseeable future today.

VOA: special.2011.07.11

It is not noticeable in normal conditions but when sun is directly in my face it is a hindrance to my driving.

WSJ: Why Do Coupes Cost More Than Sedans?

Trials carried out by L'Oreal showed the average improvement was not noticeable to the user, and that half of those using the product had not registered the improvement claimed, the ASA said.

BBC: NEWS | Health | L'Oreal slammed over cream claims

Again, these efforts, independent of the AIFF, did not make noticeable improvements to the home game.

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