【简答题】八进制数 (34.25 ) 8 的等值二进制数为 ;十进制数 98 的等值二进制数 为 。
【判断题】3-1企业分析营销环境的目的是为了树立企业形象。
【多选题】接触网悬挂状态检测监测装置(4C)的主要监测功能有( )及其他异常情况。
【单选题】Decreasing returns to scale
A.
indicates that an increase in all inputs by some proportion will result in a decrease in output.
B.
B ) must always occur at some point in the production process.
C.
is directly related to the law of diminishing returns.
D.
All of the above are true.
E.
None of the above is true.
【简答题】4C监测接触网设备零部件有无烧伤、缺失、 、松动及其他异常情况。
【判断题】电压互感器是将大电压变成小电压进行测量的,所以使用时应将电压互感器的一次侧并联再被测高压电路上。
【单选题】What denotes the output level where economies of scale are exhausted and constant returns to scale begin?
A.
minimum efficient scale
【简答题】八进制数 (34.25 ) 8 的等值二进制数为 ;十进制数 98 的 8421BCD 码为 。
【单选题】Returns to scale is a concept that operates
A.
only in the short run.
C.
in both the long run and the short run.
D.
in either the long run or the short run but never both.
【简答题】规模报酬不变、递增和递减(constant,increasing,and decreasing returns to scale)