The latter are key to capturing design decisions and provide traceability for requirements derivation and allocation across system elements.
后者是记录设计决策和和提供需求来源和分配系统元素的追踪关系的关键。
2
In this paper, the working principle of the circuit and the formula derivation of key parameters are presented.
文中详细分析了电路的工作原理，并给出了关键参数的公式推导。
3
The deriving procedure is based on the change of the length of the flexible connector (chain), and the key to the successful derivation lies in the correct selection of the two ends of the chain.