spectrum analyzer短语⁹⁰⁸⁸⁷⁺⁷ 基本例句 质谱分析仪,频谱分析器,光谱分析仪,光踪分析器,谱线分析器 Because of the complex operation and lots of the measuring items, traditional methods of measurement and calibration of spectrum analyzer are time-consuming and effort- consuming. 在对其进行计量和检定的过程中，由于操作复杂，需要测试的参数多，手动测试相当耗时耗力。 fabiao