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【简答题】
途经历史古都最多的铁路线是哪一条?请在图中标出起始点及途经的所有古都城市。
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皮皮学刷刷变学霸
举一反三
【单选题】A software requirements specification is that () .
A.
a rough list of things that the proposed software ought to do
B.
a precise list of things that the proposed software ought to do
C.
a formal list of things that the proposed software must do
D.
an estimate of the resouroes (time, money, personnel, etc) which will be required to construct the proposed software
【单选题】When the engine room is put in standby condition, the engineer in charge of the watch need not to（）
A.
ensure all machinery which may be used during maneuvering is in ready
B.
ensure an adequate reserve of power is available for steering gear and other requirements
C.
keep the main propulsion unit controls continuously attended when in the manual mode of operation
D.
ensure all machinery which may be used during maneuvering is running stably
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