谁帮我用英文翻译一下这几句摘要, 谢谢了:

This paper introduces the classification and characteristics of fiber optic sensor, and makes a preliminary study for the principle and method of Infrared absorption spectra of fiber-optic gas sensor. It also describes two basic designs of optical sensors with proper improvements. Finally, the prospect of development is analyzed for the spectral absorption fiber-optic sensor gas on the domestic market.

This paper introduces a fiber optic sensor classification and characteristics Infrared absorption spectra of fiber-optic gas sensor principle and method of preliminary studies, describes two basic types of optical sensors and design problems with the proposed improvements, Finally, the spectral absorption fiber-optic sensor gas on the domestic market and the prospect of development is analyzed.

本文介绍了光纤传感器的分类与特点，对红外光谱吸收型光纤气体传感的原理及方法作了初步的研究，论述了两种基本类型的传感器光路设计并提出问题与改进，最后对光谱吸收型光纤气体传感器的国内市场和发展前景作了分析。

this passage devoted to introducing classification and features of f