英语翻译
问题描述：
英语翻译
该设计以锁相放大器SR844为核心器件,确定了系统的激励和检测线圈,完成了对滤波电路和放大电路的设计率,并对所设计的系统进行实际搭建及调试.
答
The design,using phase-locking amplifier SR844 as a key part,makes sure about the systematic excitation and detecting coil,finishes the design ratio of the filter circuit and amplifier,and factually builds and tests all the designing system自己翻译的吗？还是用什么工具？自己翻的啊