求翻译：實驗結果表明，中午12時上身的熱像表現溫度比背景草地高4度左右，午夜0時比背景草地溫差高22.3度，呈現出在星夜不同時間下，與背景的紅外輻射特征差昇較大的現象。是什么意思？

Experimental results show 12:00 hot body like the upper body temperature higher performance than the background lawn around 4 degrees , midnight 0:00 grassland temperature difference than the background high 22.3 degrees , showing characteristics of infrared radiation the human body at different tim

The results show that 12 noon people 体 Kamitsumi hot like performance than background turf high temperature 4 degrees at midnight 0 than high temperature background turf 22.3 degrees, shows people in 体 Starry Night different time, and the background, infrared radiation poor features multi larger.

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Experimental results show that at 12 o'clock noon of human upper body heat as temperatures around 4 degrees higher than the background grass, 0 o'clock midnight 22.3 degrees higher than the temperature background grass, showing a body under a starry night time, and feature large rose background infr

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