the eehelle spectrograph 基本例句 光谱仪 The data recorded by airborne high resolution imaging spectrograph are large and the accuracy of common compression method cannot fulfil the requirements of the post processing.机载高分辨率成象光谱仪所记录的数据量很大,而采用普通的压缩方法其精度满足不了事后处理的要求。