Results: The improved method avoided false positive reactivity, and a clear background was observed.

结果：证实本实验方法避免了假阳性，背底十分清亮。

youdao

Results Positive cells had brown - yellow to brown color ti particles, and these particles were located in antigenic site under clear background.

结果阳性细胞呈棕黄色一棕裼色颗粒，阳性颗粒定位于抗原所在的部位上，背景清晰。

youdao

In the middle of the video, ascending the clear background, human spiders are dressed in business suites, wearing ties. They are fighting for fortune and power, but ended up in tragedy.

影片中，在空旷的背景上，人面蜘蛛穿着西装，打着领带，却为金钱、权势明争暗斗，不择手段，最终以悲剧收尾。

youdao

Voice Focus ensures precisely targeted voice pick-up, while Noise Reduction enables clear conversations without background noise interference.

ENGADGET: Creative announces Sound BlasterAxx wireless speakers with mics (update: hands-on!)

Treasury sources said they had made it clear, in background papers issued with the budget, that Mr Osborne was referring to workers directly employed by the government, not council employees.

BBC: Council workers 'betrayed' by pay freeze

Although Mr Obama was at pains to stress her intellect, her long experience on the bench and her respect for the constitution, he made it clear that her background matters a lot to him.

ECONOMIST: America's Supreme Court