This binocular is of fixed-focus type and has to be used with eye-glasses by anybody with visual defects.

此款定焦式的望远镜没有个性化的目镜曲光镜调节。

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The principle of photo fixed-focus apparatus, GDDJ - 1, the analysis of precision and the way to improve the precision of the apparatus are discussed.

本文介绍了GDDJ - 1光电定焦仪的工作原理，精度分析以及提高该仪器的精度办法。

youdao

When I describe CI to technologists that haven't used the practice yet, I tend to focus on one of its major benefits: a decrease in the time between when a defect is introduced and when it is fixed.

当我向那些还没有使用过这项实践的技术专家们描述CI时，我常常会侧重于它的主要优点之一，即它可以缩短故障出现到故障解决之间的时间。

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While a five-megapixel camera sounded like a boon, we were forewarned that it's of the fixed-focus variety.

ENGADGET: HTC Desire C hands-on (video) Mobile

The original iPhone and the 3G (see top left and center above) featured a 2 megapixel fixed-focus camera.

FORBES: How Much Better Will The Camera On The iPhone 5S Be?

But the Bold 9900 also features a fixed-focus camera, no front-facing camera, only single-core processor technology and a sub-3 inch screen size.

FORBES: Blackberry Bold Launches On Track - Pricing Is Problematic