题目内容
40Mn和40Cr其碳和合金元素的含量相同，其性能和用途相同。
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A. Match the following words in Group A and B to make compound adjectives. Note that words from Group A should be the first half of the compound adjectives, and words from Group B should be the second half, then write down the Chinese meanings.
B. Complete each sentence with a proper compound adjective formed in Step A. Change the form where necessary.1) We are very shocked at this old man's _________ face, which is the evidence of life-long hard work and sufferings.2) Although he was not a top student in the class, the ____________ programs at Harvard inspired him a lot and led to his great success later.3) Eating __________ food in the morning reduces hunger all day long, Dr. Smith says, which lessens the chances of bingeing (大吃大喝) later.4) His conclusion is _________ that it is very necessary to reform the economic policy both nationally and globally.5) Due to the location of the beach and the rolling terrain (地势) of the site, all guest rooms provide ____________ views of the ocean.
由联合分布可以求出边缘分布。
具有相同边缘分布的多维联合分布可以是不同的。
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