... 量 把时域的正弦运算变换为复数运算 对应 拉氏变换： 时域函数f(t)(原函数) 复频域函数F(s)(象函数) 因果函数(causal function) f ( t )仅存在于t 0的时间区间 0 ) ( ) ( dt e t f s F st 如果f(t)存在于整个时间区间，则用f(t)ε(t) 表示因果...
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It found “evidence of a causal relationship, ” but not proof of one, between pollution from vehicles and impaired lung function and accelerated hardening of the arteries.
机动车污染不仅会损伤肺功能，而且会加速血管硬化。
Results Causal-uncertainty of middle school teachers had apparent prediction function to their state and trait anxiety, and the decisive coefficients were 8.1% and 13.0% respectively.
结果中学教师自我原因不确定感对其状态焦虑和特质焦虑都有着显著的预测作用，决定系数分别为8.1%和13.0%。
Finally, by introducing into the impact on investor sentiment, the paper study the dynamic forms of the causal relation of them using impulse response function and variance decomposition.
最后结合了投资者情绪的影响，利用脉冲响应函数和方差分解对价量因果关系的动态表现形式作了进一步分析。
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