Use the built-in threshold feature to quickly find the black and white points of your image, and to adjust the brightness range images that lack a proper shadow or highlight.

使用内置的阈值功能迅速找到图片的黑，白点，并调整图像亮度范围缺乏适当的阴影或亮点。

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'These orders highlight FLIR's position as a leading supplier of thermal imaging equipment to CBP and demonstrate the value of our systems to support their wide range of missions, ' says Earl R.

这些合同突出了FLIR作为CBP一个领先的热成像设备供应商的地位，证明了我公司的系统可以支持大范围的任务。

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Dave Ramscar, chief fire officer from Lincolnshire Fire and Rescue, said the event helped to highlight the broad range of jobs firefighters were trained for.

BBC: Firefighters showcase rescue work at Lincoln event

The two hearings highlight the differences between the different legislative approaches to immigration and the wide range of options Americans have on the issue as well.

NPR: Activists React to Planned Immigration Hearings

Others used the occasion to highlight campaigns to urge young Pakistanis to vote in the upcoming elections, or to raise awareness on a range of social issues.

BBC: Literary festival brings feel-good factor to Lahore