在标准状况下(0℃,760mmHg)下,设吸入气体总量为V1,FiQ1,FEQ2分别为吸入,呼出气体中Q2浓度的百分数。FiCQ2,FEQ2分别为吸入,呼出气体中CO2浓度的百分比。求耗氧量?
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Emerson()Transcendentalist.
A. called himself
B. did not like the term
C. never called himself
D. created the term
On what kinds of networks does OSPF elect a backup designated router?()
A. Point-to-point
B. Point to multipoint
C. Broadcast
D. Non-broadcast multi-acce