这些设备通常都使用透镜镜头，将不同的图像向两个固定的方向投影。
These devices usually use lenticular lenses to project different images in two fixed directions.
本文对透镜固定技术作了分析，提出了以透镜粘接固定法代替传统的包边法和压圈固定法。
In this paper, the techniques for lens fixing are analysed. A technique for lens fixing by adhesion is proposed to substitute the traditional methods by rimming and gland ring.
它由外层密封恒温外套、中间层镜筒、内层为分隔固定光学透镜元件的透镜框组件组成。
It consists of outer layer sealing constant temperature jacket, middle layer objective sleeve and inner layer as lens frame to partition and fix optical lens elements.
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