题目内容

空间滤波系统最经典系统是三透镜系统。

A. 对
B. 错

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单透镜系统中频谱是物函数的准确傅立叶变换。

A. 对
B. 错

低通滤波器可实现对比度反转，边沿增强。

A. 对
B. 错

商品结构优化的核心思想是( )

A. 以市场需求为导向
B. 以顾客需求为导向
C. 以生产者为导向
D. 以政府宏观经济政策为导向

____ says: "More and more mankind will discover that we have to turn to poetry to interpret life for us, to console us, to sustain us. Without poetry, our science will appear incomplete; and most of what now passes with us for religion and philosophy will be replaced by poetry."

A. Walter Pater
B. Matthew Arnold
C. Oscar Wilde
D. Robert Browning