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（ ）是人们共同体内部的情感纽带，是对民族共有精神家园的皈依。
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【简答题】10-6 三相交流电机线电压中是否有3次谐波?为什么?三相交流发电机的定子绕组为什么一般都用星形联结?
【简答题】The average American housewife goes to the supermarket twice a week. On the average she (1) one or two hours there each week. Women don’t go to the supermarket just (2) . Visiting the supermarket is t...
【简答题】C. Dictation Fill in the blanks of the following passage according to what you have heard. The average American housewife goes to the supermarket twice a week. On the average she (1) __________one or ...
【简答题】溶液颜色检查采用的标准液是( ),重金属检查中若供试品有色,可采用( )溶液调色,易炭化物检查中采用的标准比色液是( )。
【简答题】Fill in the blanks of the following passage according to what you have heard. The average American housewife goes to the supermarket twice a week. On the average she (1) _______________ one or two hou...
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