The idea is to create an optical illusion to make it look like the box is empty.

男被访者这个创意是使人产生视觉幻觉，看起来这个盒子像是空的。

youdao

Project, the author is responsible for optical design of the lens, structure, electronic box circuit, software and hardware design of the laser power-tester.

在本文中，作者负责激光功率计的镜头光学设计、结构设计，电子箱电路软硬件设计工作。

youdao

It is discussed to apply the optical filter technology to solve the problem that direct sunlight causes hot box misreporting.

对采用滤光片技术解决阳光直射引起热轴误报问题进行了探讨。

youdao

Cyras' god box combines the systems' layers into a single rack of software, chips and optical architecture.

FORBES: The God Box

So, she had her staff put a box of ballots outside for three hours before running them through one of the 15 optical scan machines that will be used on primary night.

NPR: Ohio's New Voting System Revs Up for Primary

At first I hooked up the cable box to the new TV via component video cables and the new DVD player via HDMI (with optical out to the sound system).

ENGADGET: HD Beat Reader Review: Sony's 50-inch SXRD HD