Now, there are two ways to measure the stray light, respectively, surface source method (black spot method) and the point source method.
现有的杂散光测量系统分为两类，分别为面源法（黑斑法）和点源法。
A blackbody furnace of heat-pipe surface source with large aperture was developed for the calibration of infrared image optical systems.
针对红外成像光学系统校正，研制了大口径热管面源黑体炉。
Furthermore, the cause of the pollution leading to the reservoir eutrophication has been found, the leading pollution source is surface source pollution.
分析了水库富营养化的成因，面源污染是造成水库富营养化的最主要原因。
The rainstorm runoff is one of the major surface source pollution, its control and management is the main content of the regional water quality improvement plan.
暴雨径流是重要的地面污染源之一，对它的控制和管理是区域水质改善计划中的主要内容。
The rainstorm runoff is one of the major surface source pollution, its control and management is the main content of the regional water quality improvement plan.
暴雨径流是重要的地面污染源之一，对它的控制和管理是区域水质改善计划中的主要内容。
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