等电聚焦仪 Protean IEF Cell
调焦仪 [光] [摄] focusing instrument
卡焦摄谱仪 Cassegrain spectrograph
焦距仪 Focometers ; focumeter
双聚焦质谱仪器 double-focusing mass spectroscope ; focusing mass spectroscope
单聚焦质谱仪 single-focusing mass spectrograph ; [分化] single focusing mass spectrometer ; focusing mass spectrograph
变焦转绘仪 zoom transferscope
焦正仪 focon
自动调焦投影仪 autofocus projector
重合式焦距仪 coincidence focometer
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。
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.
本文在自行研制的加压热重分析仪上对气化半焦的加压燃烧特性进行了较为系统的研究。
A systematic research on the combustion characteristics of semi-coke at elevated pressure had been done using a pressurized thermogravimetry.
对测试仪的光学系统的波像差进行了估算，选择了合适的离焦量来补偿波像差，并对系统离焦后的像差进行了验算。
Estimate the wavefront error of the whole optical system, and select a proper defocus length to improve the wavefront error, and then check the system's aberration after defocus.
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