BS 1523:第5节中定义的术语符号。那些用于给出伺服机构所有内部连接的电路图，那些用于方框图，例如，为了便于解释系统。交叉引用:BS 108BS 530BS 1523:第5BS 2917BS 3238节:第1部分

Symbols for terms defined in BS 1523:Section 5. Those for circuit diagrams where all inter-connections of servo-mechanisms are given, those for block diagrams, e.g. to facilitate explanation of system.Cross References:BS 108BS 530BS 1523:Section 5BS 2917BS 3238:Part 1