B737NG22CH0007对于主偏航阻尼,需要的SMYD是()
A.SMYD1
B.SMYD2
C.SMYD1和SMYD2
D.任何一个SMYD
参考答案:C
When the government reallocates spending based upon a decision to promote new and developing industries, this would be categorized as:()
A. a structural change.
B. monetary policy.
C. a cyclical change.
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