observation-BNC²³⁶²¹³⁺¹ 例句 This approach makes use of overlapping features to identify the corresponding state of data items and every state is the result of state-state transition and observation- state transition probability. 这种方法能够充分利用数据的重叠特征来辨识数据项对应的状态，结合了统计模型和规则模型的优点。 dictall