Việt
mặt phân cách
mặt biên
mạch giới hạn
mặt giới hạn
Anh
boundary surface
interface
boundary plane
limiting circuit
end plane
front
boundary surface, interface
boundary plane, boundary surface
boundary surface, limiting circuit /toán & tin;xây dựng;xây dựng/
boundary plane, boundary surface, end plane, front