Password Strength Meter and User Name check.
密码强度指示与用户名检测。
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。
An isotropic broadband field strength meter was used and the formula of calculating field strength is introduced.
测量采用各向同性的宽带场强计。本文还介绍了有关理论计算公式。
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