learning english

distortion 
英[dɪ'stɔ:ʃn] 
美[dɪˈstɔrʃən]
n. 扭曲，变形; 失真，畸变; [心理学] 扭转;
[例句]I think it would be a gross distortion of reality to say that they were motivated by self-interest
我认为说他们是受自身利益的驱使是对事实的严重歪曲。
[其他] 复数：distortions

calibration
英[ˌkælɪˈbreɪʃn]
美[ˌkæləˈbreʃən]
n. 校准，标准化; 刻度，标度; 测量口径;
[例句]A dark frame calibration is automatically applied to all CCD images that are loaded thereafter.
此后载入的所有ccd图片将针对此暗场图片做校正。
[其他] 复数：calibrations

perspective 
英[pəˈspektɪv]
美[pərˈspektɪv]
n. 透镜，望远镜; 观点，看法; 远景，景色; 洞察力;
adj. （按照） 透视画法的; 透视的;
[例句]He says the death of his father 18 months ago has given him a new perspective on life
他说18个月前父亲的去世让他对人生有了新的认识。
[其他] 复数：perspectives