Experiments show a strong effect on the measured value if collimation angle is increased.实验表明,准光角增大会对测定值产生很大的影响.The error introduced by a finite collimation angle is a systematic one in apparent transmission.一定准光间所带来的误差是...
山崩川竭.The mountain fell down and the river dried up.山崩切断了这个山谷与外界的联系.The slide cut off the valley from the rest of the world.山崩应归于下大雨.The heavy rain was responsible for the landslide....