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【单选题】
Blank (3)_____________A.
In fact, it expects sales to companies with fewer than 25,000 make sure that the employees to account for nearly half SAP’s total software phrase you choose fits sales this year.
B.
They recently announced they had purchased Virsa System, a privately held supplier of regulatory compliance software.
C.
You just can’t do everything yourself if you want to remain competitive.
D.
Competition in the market is fierce and only the big players will survive.
E.
Since then, it has evolved from a small, regional enterprise into the global market leader in ERP software, employing more than 34,000 people.
F.
Kagermann was unimpressed with Oracle’s appetite for big, headline-grabbing acquisition (People Soft Siebel System).
G.
That is different from buying half of a heart.
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【简答题】单位时间内流过管道某一截面的液体体积称为()
【简答题】甘草的药材学名和甘草的主要化学成分。
【简答题】单位时间内通过管道某一截面的体积数或质量数称为流体的 ,一段时间范围内通过管道某一截面的体积数或质量数的总和称为流体的 。
【单选题】下列说法，正确的是( )。
A.
在单位时间内流过某一通流截面的液体体积称为平均流速
B.
管道截面面积与平均流速成反比
C.
流量与通流截面面积的乘积等于平均流速
D.
既无黏性又无压缩性的液体称为实际液体
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