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、超和电路设计的符号，包括电容测量器、不可逆设备、调制器、相器、场极化设备和滤波器。

This set contains a bar spoon, shaker, ice tongs, strainer and measurer, all the essentials for creating a wide variety of mixed drinks, from Cosmopolitans to Long Island Ice Teas.

这套工具包括酒吧勺、摇壶、、滤器和量具，所有这些都是制作从世界主义者到长岛茶等各种混合鸡尾酒的必备品。