一、选择填空(每一个空格只能选一个答案,每空1分,本题共24分) 1.在给定的一组滚动轴承中有:6315N416;3240;415:1308:3420。其中有()是重系 列的;有()内径相同;有()类型相同。 A.五种;B.四种;C.三种;D.二种。 2.按齿根弯曲疲劳强度设计的齿轮传动时,应将或中数值()代入 Y Fal Y sal YFa2Y sa2 设计式进行计算
第一章 15 (a)The trader sells 100 million yen for $0.0080 per yen when the exchange rate is $0.0074 per yen. The gain is 100x0.0006 millions of dollars or $60,000. ()The trader sells 100 million yen for $0.0080 per yen when the exchange rate is $0.0091 per yen. The loss is 100.0011 millions of dollars or $110,000. 1.6 you could buy 5,000 put options (or 50 contracts)with a strike price of