quarter-wave limit

例句：

1. 1. The design of the antenna must comply with the quarter-wave-length limit.
   天线的设计必须符合四分之一波长限制。
2. 2. The waveguide is designed to operate within the quarter-wave-length constraint.
   波导的设计是为了在四分之一波长限制内运行。
3. 3. The measurement of the transmission line must be within the quarter-wave-length constraint.
   传输线的测量必须在四分之一波长限制内进行。