Then a multifunctional, digital and portable field strength meter is designed based on this research.

在此基础上，设计了多功能、数字化、便携式场强仪。

youdao

Then a multifunctional, digital and portable field strength meter is designed based on this research.

在此基础上，设计了多功能、数字化、便携式场强仪。

youdao