H.S编码是于哪一年全面实施的() ["1988","1990","1992","2001"]
艺术一般可以分为:()。 ["造型艺术","行为艺术","表演艺术","综合艺术","语言艺术"]
R-L-C串联谐振电路的特点是()。 ["阻抗最大","电流最小","电源电压是电容两端电压的Q倍","电源电压等于电阻两端的压降"]
相当于西方崇高范畴的中国术语有()等。 ["阳刚之美","刚美","壮美","崇宏之美","刚性美"]
直流他激电动机电枢串电阻调速的突出特点之一是() ["特性硬度不变","恒功率输出","级数少,平消性差","能耗小,经济"]
企业应如何设置内部机构?