【简答题】转向器是转向系统的( )装置,目前在汽车上广泛应用的转向器主要有齿轮齿条式和( )等几种。
【简答题】在数据处理技术发展过程中,数据独立性最高的阶段是________
【单选题】《坛经》中有“三无”修禅法,即“ 无念为宗,无相为体,无住为本 ” 。下面的解释正确的一项是:
【单选题】IP 地址是 211.116.18.10 ,掩码是 255.255.255.252 ,其广播地址是?()
【单选题】在数据管理技术发展过程中,数据独立性最高的阶段是( )。
【单选题】车床的种类很多,目前在机械加工中应用最广的是
【单选题】Which one is not the significance of household contract responsibility system?
A.
It has liberated the rural productivity and motivated peasants to work harder. liberated the rural productivity and motivated peasants to work harder. It has liberated the rural productivity and motivated peasants to work harder.
B.
It helped to separate a large amount of rural labor force from land cultivation. It helped to separate a large amount of rural labor force from land cultivation.
C.
It helped peasants to change into commodity producers and managers.
D.
It was affected by the foreign large-scaled agricultural production mode It was affected by the foreign large-scaled agricultural production mode.
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【单选题】车床的种类很多,目前在机械加工中应用最广的是( )。