试题与答案

淡水硬骨鱼的生殖方式()A、体外受精、体外发育 B、体内受精、体外发育 C、体内受精、体

题型:多项选择题

题目:

淡水硬骨鱼的生殖方式()

A、体外受精、体外发育

B、体内受精、体外发育

C、体内受精、体内发育

D、体外受精、体内发育

答案:

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参考答案:<1>有效提高转换速度<2>实现多个D/A转换器的同步输出

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