The algorithm takes advantage of the theories of bidirectional search, projection, minimum Angle and binary tree.
算法基于双向式搜索原理，采用投影法、夹角最小的方法及二叉树理论。
The elicitation search and integrated forward direction, reverse direction and bidirectional reasoning was adopted to set up expert system in reasoning machine design.
推理机设计采用启发式搜索，结合正向、反向及双向推理建立专家系统。
The elicitation search and integrated forward direction, reverse direction and bidirectional reasoning was adopted to set up expert system in reasoning machine design.
推理机设计采用启发式搜索，结合正向、反向及双向推理建立专家系统。
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