背光测试

backlighted───v.从背后照亮（backlight的过去式及过去分词）

backlights───n.（照片或绘画的）背景光；背后照明；v.从背后照亮

flight test───[航]飞行试验

back lights───[车辆]后灯；背景光

backlight───n.（照片或绘画的）背景光；背后照明；v.从背后照亮

backlighting───n.逆光；v.从后面照射；由逆光照明（backlight的ing形式）

backsights───n.后视；表尺缺口

backlight photography with single sample was used to measure the true stress-strain of the ductile material after necking in tensile test.───采用单试样逆光拍照法对延性材料拉伸试验缩颈后的真实应力-应变进行了有效的测量。

unit is equipped with stand and large backlight LCD that makes this unit perfect to setup a test station on the site.───本机配备了背架和大型背光液晶显示屏，使本机建立了一个完美的现场试验站。