For development work, a spectrum analyzer is indispensable. But for production testing, it offers more measurement power (and expense) than needed.

对于研发工作，频谱仪是不可缺少的，但对于生产测试，其测量能力远远超出了需要，造价也更高。

youdao

For development work, a spectrum analyzer is indispensable. But for production testing, it offers more measurement power (and expense) than needed.

对于研发工作，频谱仪是不可缺少的，但对于生产测试，其测量能力远远超出了需要，造价也更高。

youdao