当向大脑显示一个虚像时，随着大脑对图像的处理，其神经元由于带电活动而闪烁不停。
Show the brain a virtual image and its neurons flicker with electrical activity as the image is processed.
一项新的研究表明：被称作暗物质的神秘物质可能只是一种虚像，由物质与反物质的短寿命粒子之间的引力相互作用而产生的。
The mysterious substance known as dark matter may actually be an illusion created by gravitational interactions between short-lived particles of matter and antimatter, a new study says.
和幻觉不同，海市蜃楼是现实存在的可以用照相机拍摄到的光学现象——是由光线确实地被折射从而在观察位置形成虚像。
In contrast to a hallucination, a mirage is a real optical phenomenon which can be captured on camera, since light rays actually are refracted to form the false image at the observer's location.
几乎所有的人都认为海市蜃楼是一个虚像，但我却持不同意见。
Almost all people think a mirage is an illusion, but I disagree.
一种光学装置，可将物体虚像投影到一平面之上，多用于跟踪。
An optical device that projects a virtual image of an object onto a plane surface, especially for tracing.
本论文采用半银镜作为虚实像结合的成像元件，并用两种方法生成具有真实感知的虚像。
In this paper, a half-silver mirror is used as the imaging component for combination of virtual and real images, and two methods to generate a real perceptual illusion are adopted.
菲涅耳波带片可使入射光会聚起来，产生极大的光强，使点光源形成一系列的实像点和虚像点，其作用如同透镜成像。
Fresnel's plate can focus incident rays producing very strong brightness the function of which resembles lens forming images.
本文借助于在棱镜后面所观察到的在缝平面上的缝光源之二虚像，并通过把它们调至对缝严格对称，迅速达到系统的共轴要求。
Aided by the two virtual images of the seam light source on the seam plane observed at the back of the prism, it can reach the systematic coaxis by regulating them to symmetrize the seam.
本文借助于在棱镜后面所观察到的在缝平面上的缝光源之二虚像，并通过把它们调至对缝严格对称，迅速达到系统的共轴要求。
Aided by the two virtual images of the seam light source on the seam plane observed at the back of the prism, it can reach the systematic coaxis by regulating them to symmetrize the seam.
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