The spectrum absorption characters of the filter and the neutral glass are measured by this method as an example.
提供了对滤光片和中性玻璃光谱吸收特性的测量结果。
The article used the method of spectrum absorption to measure gas concentration, transmitting optical signal by optical fiber.
本文采用光谱吸收方法通过光纤传输光信号进行气体浓度的在线遥测。
Methane concentration measurement is the paper's purpose. Fiber methane gas sensing technique is studied based on the principle of spectrum absorption.
论文以甲烷气体检测为目的，进行基于光谱吸收原理的光纤甲烷气体传感技术的研究。
Based on the infrared spectrum absorption characterization of methane gas, the long optical distance differential absorption method for methane detection is studied.
基于甲烷气体的红外光谱吸收特性，研究了长光程差分吸收式甲烷气体检测的方法。
The main results of the observation of quasars are shown as continuous spectrum, absorption line spectrum and emission line spectrum.
类星体的观测结果集中表现在三个方面：连续谱、吸收线和发射线。
The main results of the observation of quasars are shown as continuous spectrum, absorption line spectrum and emission line spectrum.
类星体的观测结果集中表现在三个方面：连续谱、吸收线和发射线。
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