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【简答题】
在顺序功能图中,步表示将一个( )划分的不同连续阶段,与系统的( )相对应的步称为初始步,初始状态一般是系统等待启动命令的相对静止的状态。初始步用( )表示,每一个顺序功能图至少有( )初始步。
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举一反三
【单选题】Born in the trough of the Great Depression, Edmund Phelps, a professor at Columbia University who won the Nobel Prize for economics, has spent much of his intellectual life studying slumps of a differ...
A.
unemployment is a hot potato for economists to study.
B.
unemployment is the topic that interests Mr. Phelps the most.
C.
Mr. Phelps's parents asked him to study unemployment.
D.
Mr. Phelps's research is based on the existing research results.
【简答题】网络拓扑及基本参数如下图所示: 如果接口等其他信息配置都正确,请使用BGP配置路由,给出三个路由器的路由配置命令。
【简答题】Trough
【单选题】公司以银行存款 30万元采购行政管理部门用汽车一台,针对该业务在记账凭证上编制的会计分录为:“借记管理费用,贷记银行存款”,并据以登记入账。针对该错账,应采用的错账更正方法是( )。
A.
红字更正法
B.
补充登记法
C.
划线更正法
D.
使用涂改液修改
【单选题】A pattern that at the crest the motion of each particle is forward and at the trough it is backward relative to the wave's motion is ______．
A.
a trochoid
B.
a spheroid
C.
a loxodrome
D.
a carene
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