The results show that the performance of the photoacoustic spectrometer has been improved considerably.
The results show that the performance of the photoacoustic spectrometer has been improved considerably.
列举的实例证明，改进了数据采集系统的光声光谱仪，在性能上有了很大的提高。
The results show that the performance of the photoacoustic spectrometer has been improved considerably.
列举的实例证明，改进了数据采集系统的光声光谱仪，在性能上有了很大的提高。