The centric stripline’s circumvolve can form the arithmetical progression of the element phase.

该是同心圆弧结构，中心带状线的旋转即可使单元位成等差列。

Contains symbols for VHF, UHF, and SHF circuit design, including capacitance measurers, nonreciprocal devices, modulators, phase shifters, field polarization devices, and filters.

包含用于甚高频、超高频和特高频电路设计的符号，包括电、不可逆设备、调制、、场极化设备和滤波。