- 推荐网络解释
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barren:贫瘠
necrosis 坏死 | barren 贫瘠 | futile 无用的
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undirected graph:无向图形
"未区隔行销","undifferentiated marketing" | "无向图形","undirected graph" | "等额年金序列","uniform annual series"
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controllable slip coupling:可控滑动联轴器
controllable silicon 可控硅 | controllable slip coupling 可控滑动联轴器 | controllable transducer 可控饱和电抗器