为研究发动机的燃烧和排放形成，研制了一种多功能可视化摄影用的动态燃烧装置。

This paper reported a dynamic visualization photographic setup with multiple functions to provide an important mean to study combustion and the form of emission.

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的时限价值或情况的范围，尤指曝光范围，在此期限内摄影用的底片能产生可用的影象。

A range of values or conditions, especially the range of exposures over which a photographic film yields usable images.

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接着放一些记录设备，那时用的是一个摄影用的感光片，取一个极小极小的角度，然后去到房间中足够远的地方。

And then further you put some recording device, which in those days was a photographic plate, far across a room. So you take a tiny, tiny Angle and you go far enough across the room.

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And then further you put some recording device, which in those days was a photographic plate, far across a room. So you take a tiny, tiny angle and you go far enough across the room.

接着放一些记录设备，那时用的是一个摄影用的感光片，取一个极小极小的角度,然后去到房间中足够远的地方。

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