工业产品设计的特征包括适用、触感和（） ["美观","坚固","精巧","舒适"]
影响一过汇率变动的因素有（）。 ["政府的市场干预","通货膨胀因素","国际收支状况","利率水平","资本流动"]
最大无作用剂
To have the best possible voice quality and to utilize effectively the available bandwidth， which queuing and compression mechanisms need to be used？（） ["class-based weighted fair queuing （CBWFQ）","low latency queuing （LLQ）","priority queuing （PQ） or custom queuing （CQ）","Real-Time Transport Protocol （RTP） header compression","TCP header compression","UDP header compressio"]
四冲程的汽油机在做功初期，气体的瞬时温度达（） ["1600～1800℃","1800～2000℃","1700～1800℃","2000～2200℃"]
平均粒径
