但它不同于隐形技术。隐形技术不是让飞机变得看不见，而只是减少能被雷达探测到的切面以使其难以被追踪到。
It differs from stealth technology, which does not make an aircraft invisible but reduces the cross-section available to radar, making it hard to track.
美国发明家萨缪尔·摩尔斯看到用达盖尔照相法拍的巴黎街景里一个人都没有时，不禁大吃一惊，后来才明白是因为曝光时间过长，移动物体都变得看不见了。
Samuel Morse was astonished to learn that Daguerrotypes of streets of Paris did not show any humans, until he realized that due to the long exposure times all moving objects became invisible.
只有当有人试图进入你的泡泡时，这看不见的屏障才会变得明显。
This invisible boundary becomes apparent only when someone bumps or tries to enter your bubble.
当他笑时，他是睿智的，带有令人愉快的幽默，都看不见他的眼睛了，不一会儿，他变得严肃和积极了，便圆睁着眼睛。
When he laughed, was witty, in a merry humor, one could scarce sees his eyes, and by and by, when he was serious and positive, he opened his eyes round.
希刺克厉夫走到她椅子背后，向前探身，却让她看不见他那因激动而变得发青的脸。
Heathcliff went to the back of her chair, and leant over, but not so far as to let her see his face, which was livid with emotion.
在未固化的粉末涂装工件表面固体污染物是看不见的，涂膜一旦固化则变得十分明显。
In not curing powder coating surface of workpiece solid pollutants is invisible, the film became very obvious once curing.
也许，放置不用的、或者容纳人数较少的地方会被缩小到较小的尺寸，或者封闭起来（就像密室一样），或者被变得“看不见”。
Perhaps areas that aren't used or that house smaller numbers of people are contracted to a smaller size, sealed off (like the Chamber of Secrets) or made 'invisible'.
通过你们所得到的持续不断的帮助，你们的任务变得更加容易，这些帮助大多是看不见的。
Your tasks are made easier by the continual help you get, which is largely unseen.
我们让地狱变得可以忍受，护送受伤的心灵渡过绝望的河流，到达一个几乎看不见希望的地方，然后我们停船把他们推进水里，让他们自己游走。
We are here to make linbo tolerable, to ferry wounded souls across the river of dread until the point where hope is dimly visibale. And then stop the boat, shove them in the water and make them swim.
当然太阳现在还是看不见，但是却可能在任何时候变得可以看到。
The Sun is not yet visible of course, but may become visible at any moment now!
你难道看不见砍伐树木焚毁森林，草木葱郁的山变得荒芜。
Can't you see the trees are being felled and forests burned? The hills covered with vegetation become barren.
你难道看不见砍伐树木焚毁森林，草木葱郁的山变得荒芜。
Can't you see the trees are being felled and forests burned? The hills covered with vegetation become barren.
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