adj. unoriented
拍照前先确定一下光源，它是硬的还是软的，是无向的还是有向的。
Look for the light and what it's doing in each of your images. Is it hard or soft, defuse or directional?
它支持有向或无向的模型，离散或连续的变量，各种推论及学习算法。
It supports directed and undirected models, discrete and continuous variables, various inference and learning algorithms.
算法输出结果为最大链图，该图仅对统计可分的弧进行定向，对统计不可分的弧保留无向的特性。
The output of the algorithm is largest chain graph, which just orienting the statistical distinguishable edges, keep the indistinguishable edges undirected.
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