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【简答题】
镜片的折射率越高,比重越_______(大、小),阿贝数越_______(高、低),色散就越_______(多、少),镜片的反射率越_______(高、低)
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举一反三
【单选题】We can enumerate cells in pure cultures by all of the following EXCEPT: ( )
A.
Most probale number
B.
Plate counts
C.
turbidity
D.
PCR
【简答题】不管到那里,他总是拿着一只塞满文件的手提包。 (bulge with)
【单选题】Which of the following parameters provide information on the specific ionic concentrations in the water ?
A.
conductivity
B.
dissolved oxygen
C.
temperature
D.
turbidity
【简答题】A．What a turbidity current is. B．The causes of underwater earthquakes. C．How winds can affect some ocean currents. D．Why the book talks about turbidity currents.
【单选题】Which of the following are NOT environmental impacts of a tidal barrage?
A.
Silt accumulates behind the barrier
B.
Shipping is affected by the barrier
C.
The turbidity of the water behind the barrier is altered
D.
The time the estuary is under water is changed
【单选题】3-012 某架空光缆敷设工程,工程所在地海拨4000米,已知其技工工日为2000工日,普工工日为3000工日,,则其特殊地区施工增加费应为( )。
A.
636480
B.
20800元
C.
8320
D.
12480
【单选题】Timber harvest can affect the hydrology of a site, especially the ______.
A.
turbidity, quality, and the timing of water within or from the watershed
B.
quantity, quality, and the timing of water within or from the watershed
C.
quantity, quality, and sediment
【简答题】A．To explain how winds cause turbidity currents. B．To remind the student where ocean sediments originate. C．To explain the effects of turbidity currents. D．To remind the student about the next assignm...
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