The embedding strength is decided by the just noticeable difference of the image, and the cover image is not needed during the extraction of watermark.
水印的嵌入强度由图像的视觉临界差异决定，水印的提取不需要载体图像。
Without the protection of sunscreen, just a few minutes of daily sun exposure over the years can cause noticeable changes in how skin looks and feels, according to the American Academy of Dermatology.
根据美国皮肤学会的说法，没有防晒霜的保护，哪怕每天只有几分钟暴露在阳光下，经过一些年，皮肤的样子和感觉也会发生显著变化。
No debates (Ok, a few, but not like before), just Numbers... Since making the switch, we have witnessed noticeable improvement in the productivity of the [prioritization] meetings.
无需争论(好吧，就算有一些，但之前似乎不会)，只要看数字……由于做了这个改变，我们已经见证了优先排序会议为生产力带来的显著提升。
The differences can be just a few percent-perceivable though not necessarily noticeable.
左右差异并不大，可能只有百分之几——可以分辨，但并不明显。
The resource requirements are just as noticeable as the speed difference.
资源需求与速度差别一样明显。
Without protection from the sun's rays, just a few minutes of exposure each day over the years can cause noticeable changes to the skin.
如果对阳光照射没有采取保护措施，那么只要每天暴露在阳光下几分钟，几年后就能对皮肤产生显著的影响。
Tweak the amount of Compression with the compression slider to just before the difference in sound quality is noticeable.
用压缩滑动条（Compression）来调整压缩量，前后音质的差异是明显的。
If your sky is dark enough, you can see a little "asterism" or noticeable pattern of stars within Aquarius - marked in pink on our chart just to the left of the star Sadal Melik.
如果居住地的星空够黑暗，便能看到一个小“星群”或水瓶座内几颗星星组成的图案，非常显眼。我们在星图上用粉色线条标注，位于左侧是SadalMelik。
If your sky is dark enough, you can see a little "asterism" or noticeable pattern of stars within Aquarius - marked in pink on our chart just to the left of the star Sadal Melik.
如果居住地的星空够黑暗，便能看到一个小“星群”或水瓶座内几颗星星组成的图案，非常显眼。我们在星图上用粉色线条标注，位于左侧是SadalMelik。
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