英语翻译求翻译,The fluorescent emission is measured at right angles to the incident beam中right angle是不是指正对的角度?

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英语翻译求翻译,The fluorescent emission is measured at right angles to the incident beam中right angle是不是指正对的角度?

英语翻译求翻译,The fluorescent emission is measured at right angles to the incident beam中right angle是不是指正对的角度?
英语翻译
求翻译,The fluorescent emission is measured at right angles to the incident beam中right angle是不是指正对的角度?

英语翻译求翻译,The fluorescent emission is measured at right angles to the incident beam中right angle是不是指正对的角度?
right angles 是直角的意思吧……我做SAT subject test 时就是这样的.incident beam是入射光线……我觉得right angles 就是直角!

90度直角的意思

直角