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物质流通率 ratio of material flow
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Which of the following is associated with a buyer's request for material to meet a particular need:A material warrantyB material guaranteesC implied warranty of salabilityD implied warranty of fitness for a particular purposeE A and C only
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If a firm has a quick ratio of 1, the subsequent payment of an account payable will cause the ratio to increase.()
此题为判断题(对，错)。
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What Netflow component can be applied to an interface to track IPv4 traffic?()
A.flow monitorB.flow recordC.flow samplerD.flow
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Which of these terms refers to call issues that cause variations in timing or time of arrival？（）A、queuingB、jitterC、packet lossD、digitized samplingE、signal-to-noise ratio ratio
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What Netflow component can be applied to an interface to track IPv4 traffic?（）A、flow monitorB、flow recordC、flow samplerD、flow
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What are the four vPath packet flow steps？ （）A、 perform flow lookupsB、 intercept packets on service enabled portsC、 run packets through the vPath flow managerD、 classify the packetsE、 flow manager emits an action for the packetsF、 enforce the action determined by the flow manager
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Which of the following is the definition of CAS latency？（）A、 CAS latency is the ratio between the column access time and the clock cycle time.B、 CAS latency is the ratio between the row access time and the clock cycle time.C、 CAS latency is the ratio between the column access time and the data burst transfer time.D、 CAS latency is the ratio between the row access time and the data burst transfer time.
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问答题If there are only red, blue, and green marbles in a jar, what is the ratio of red to blue marbles? (1) The ratio of red to green marbles is 2:3. (2) The ratio of green to blue marbles is 6:5.
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单选题If the compression ratio is increased on any diesel engine, （）A
the expansion ratio will decreaseB
combustion will be slowed downC
thermal efficiency will decreaseD
thermal efficiency will increase
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单选题Increasing the compression ratio of a diesel engine while maintaining the designed rate of fuel flow will result in （）A
increased horsepowerB
reduced efficiencyC
increased heat lossD
lower cylinder pressures
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单选题Which of the following is the definition of CAS latency？（）A
CAS latency is the ratio between the column access time and the clock cycle time.B
CAS latency is the ratio between the row access time and the clock cycle time.C
CAS latency is the ratio between the column access time and the data burst transfer time.D
CAS latency is the ratio between the row access time and the data burst transfer time.
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单选题For a given fuel, a change in the compression ratio will affect the ignition lag by which of the listed means?（）A
An increase in compression ratio will increase the ignition lagB
An increase in compression ratio will decrease the ignition lagC
A decrease in compression ratio will decrease the ignition lagD
A decrease in ignition lag will increase the compression ratio
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单选题The ignition quality of a fuel oil is an important operational consideration because it（）A
indicates the amount of abrasive material in the fuelB
affects the starting ability of a cold engineC
determines the amount of fuel penetration engineD
affects the compression ratio of an operating engine
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单选题The ratio of the height of a vessel’s rudder to its width is referred to as the（）.A
aspect ratioB
constriction ratioC
rudder ratioD
steering ratio
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单选题In a fixed displacement axial piston hydraulic motor, the speed is varied by（）A
regulating the ratio between torque and speed via the torque limiter at the motorB
directing the motor output flow through a bypass lineC
maintaining a constant flow and pressure inputD
controlling the input flow rate
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单选题Under tropical conditions, control valves have fully opened, but the room still hot.What measures can be taken in such a case?（）A
Keep the plant running all timeB
Start another blowerC
Increase the ratio of circulated to fresh airD
Reduce the seawater flow to the condenser
考题
单选题The ratio of r to s is 3 to 4. The ratio of s to t is 2 to 9. What is the ratio of r to t?A
1 to 3B
1 to 6C
2 to 9D
3to10E
4 to 5
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填空题The ratio of a to b is the same as the ratio of 1.4 to 7. If a＝14, what is the value of b?____
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