多项选择题
6.4.2# 下列有关比值控制方案的说法中,正确的有( )。 A.
用差压流量计测量气体流量时,若温度、压力变化大且控制质量要求较高,则必须引入温度、压力补偿装置;
B.
实施比值控制方案基本上有相乘方案和相除方案两大类;
C.
当控制方案确定后,必须把两物料的实际体积流量或重量流量的比值折算成比值器上的比值系数;
D.
当控制方案确定后,可以不把两物料的实际体积流量或重量流量的比值折算成比值器上的比值系数。
6.4.2# 下列有关比值控制方案的说法中,正确的有( )。 A.
用差压流量计测量气体流量时,若温度、压力变化大且控制质量要求较高,则必须引入温度、压力补偿装置;
B.
实施比值控制方案基本上有相乘方案和相除方案两大类;
C.
当控制方案确定后,必须把两物料的实际体积流量或重量流量的比值折算成比值器上的比值系数;
D.
当控制方案确定后,可以不把两物料的实际体积流量或重量流量的比值折算成比值器上的比值系数。
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单项选择题
Which of the following statements are correct?
(1) Capitalised development expenditure must be amortised over a period not exceeding five years
(2) Capitalised development costs are shown in the statement of financial position under the heading of non-current assets
(3) If certain criteria are met, research expenditure must be recognised as an intangible asset
Which of the following statements are correct?
(1) Capitalised development expenditure must be amortised over a period not exceeding five years
(2) Capitalised development costs are shown in the statement of financial position under the heading of non-current assets
(3) If certain criteria are met, research expenditure must be recognised as an intangible asset
A.2 only
B.2 and 3
C.1 only
D.1 and 3