并测试了竹炭的红外线性能与负离子性能。
Infrared ray and negative ion of bamboo charcoal were tested.
当中包括光普分析仪、盐雾测试机、红外线回流焊、恒温炉、电流负载等设备。
Including optical analyzer, salt spray test machine, infrared reflow soldering, constant temperature oven, current load, etc.
在1943年，第一次测试中采用红外线夜视(Nacht Jager)设备和伸缩测距仪安装在黑豹开始。
In mid 1943, first tests with infrared night-vision (Nacht Jager) devices and telescopic rangefinders mounted on Panther started.
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