Crys. 基本例句 医晶体，结晶 The simulation results show that the efficiency of photoelectric crest is relative to the length of flashing crys-tal, but not sensitive to the distance between the source and the spectrometer. 模拟结果表明：光电峰效率与闪烁晶体的长度有关，但对源到探测器的距离变化不敏感。 cnki