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【判断题】
对于闭口组组式分组数据，一组的组限就是该组上限和下限的算术平均数。()A.
正确
B.
错误
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【简答题】（ ）指标的计算不需要使用现金流量表。
【单选题】____allow the engines to be placed wherever is most suitable , as they no longer have to be aligned with reduction gearing and shafting as is the case with conventional installations
A.
diesel engine propulsion
B.
diesel electric propulsion
C.
steam engine propulsion
D.
gas turbine propulsion
【简答题】以下指标的计算不需要使用现金流量表的是（ ）。
【单选题】It is clear that the dog has a much greater _______ of its brain devoted to smell than is the case with humans.
A.
composition C) compound
B.
proportion D) percent
【单选题】（） allows the engine to be placed wherever is most suitable, as they no longer have to be aligned with reduction gearing and shafting as is the case with conventional installations.
A.
Diesel engine propulsion
B.
Diesel electric propulsion
C.
Steam engine propulsion
D.
Gas turbine propulsion
【单选题】It is clear that the dog has a much greater _______ of its brain devoted to smell than is the case with humans.
A.
composition
B.
proportion
C.
compound
D.
percent
【简答题】2019年1月29日,蓝牙技术联盟(SIG)宣布蓝牙5.1正式公布,新版本的蓝牙传输速度上限为 Mbps,是之前4.2LE版本的两倍。
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