No light, sound, or movement was perceptible there.

看不到任亮光，听不见任声音，觉察不到任活动。

The air of the end of the year is already perceptible.

学了时，熏风照例拂沸地吹着。

They were only perceptible at first as the light is in the sky before the moon rises.

起初只能依稀看出，就象月亮升起前天上的微光。

But now, peace had been declared and by the 1650s there was a perceptible sigh of relief.

但如今和平又回来了，到了十七世纪五十代，整个社会明显松了口气。

Some even of the wood fires more recently lighted had reached their decline, but no change was perceptible here.

即便是最后起来的那些烧木头的篝火，现在也变得微弱了，但这个篝火却看不出有任变化。

And this technique is able to compress all this 25 gigabytes into 45 megabytes without introducing any significant perceptible difference!

这项技术可以这25GB压缩至45MB，而不会带来任重大的可视差别！

Passepartout shook it, but with no perceptible effect; for neither shaking nor maledictions could prevail upon it to change its mind.

路路通抓住晴雨表摇了阵，水银柱依然不动。不论是摇晃或是咒骂都没能使这个无辜的晴雨表屈服。

A book lay spread on the sill before her, and the scarcely perceptible wind fluttered its leaves at intervals.

本书摆在她面前的窗台上，打开着，简直令人感觉不到的风间或掀动着书页。

The differences are often barely perceptible, and to provide a better localization of the error, some difference images are shown in the paper.

这些差异通常很难察觉，而为了更好的定位误差，本篇论文展示了些差异图像。

There was a faint, barely perceptible movement of the water as the fresh flow from one end urged its way toward the drain at the other.

池里的水有微微的、几乎看不出的流动，从头放进来的清水又流向另头的排水管。

On the present heated afternoon, when no perceptible wind was blowing, the trees kept up a perpetual moan which one could hardly believe to be caused by the air.

在这时的炎热下午，察觉不到丝风儿，可那些树依然持续在呜咽，简直让人没法相信这声音是由空气造成的。

To a walker practised in such places a difference between impact on maiden herbage, and on the crippled stalks of a slight footway, is perceptible through the thickest boot or shoe.

对于在这种地方行走的人来说，即使穿多厚的靴子或鞋子，他们也能区分出脚下究竟踩的是未经践踏的草地还是坚硬的沙砾小道。

Her face, above a spotted dress of dark blue crepe-de-chine, contained no facet or gleam of beauty but there was an immediately perceptible vitality about her as if the nerves of her body were continually smouldering.

她穿了件有油渍的深蓝双绉连衣裙，她的脸庞没有丝毫的美，但是她有种显而易见的活力，仿佛她浑身的神经都在不停地燃烧。

In an earlier episode, we discussed an adversarial algorithm, where in an amusing example, they added a tiny bit of barely perceptible noise to this image, to make the deep neural network misidentify a bus for an ostrich.

在早期的视频里，我们讨论过个对抗性算法，在个好玩的案例里，他们给这幅图加上了些几乎不可察觉的噪，结果让深度神经网络错误地把公交车识别为了鸵鸟。

The first method adds a tiny bit of noise to a large portion of the video input, where the difference is barely perceptible, but it forces the learning algorithm to choose a different action that it would have chosen otherwise.

第种方法在大部分的视频输入中增加了微小的噪，其中的差异几乎不可察觉，但它能迫使学习算法做出个本不该如此的选择。

'Not the slightest. I can remember no symptom of affection on either side; and had any thing of the kind been perceptible, you must be aware that ours is not a family, on which it could be thrown away.

" 根本没有想到。我记得他们谁都没有流露出相爱的意思，要知道，当初只要看出了形迹，在我们那样的个家庭里是不会不谈论的。