“signed directed graph”的概念、定义、翻译、参考文献-科学参考

单词	signed directed graph
释义	signed directed graph Encyclopedia 工学符号有向图释 signed directed graph; SDG符号有向图一种描述系统内部影响关系的定性因果模型，可基于该模型进行正向、反向推理。
随便看	two scroll paintings unearthed at Yemaotai Town, Faku County two seasons pasture two-section voltmeter two-sector model two self two-sheeted hyperboloid two-sheeted hyperboloid of revolution two-shift peak load regulating two-sided two-sided annihilator two-sided approximation two-sided condition two-sided constraint two-sided decomposition two-sided derivative two-sided distribution two-sided divisor two-sided divisor of zero two-sided element two-sided estimate two-sided estimation two-sided exponential distribution two sided extremum principle two-sided extremum principle two-sided generator

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