2.35:1
4:3
1.33:1
1.78:1
纵横比(Aspect ratio)
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At which of the following layers does the ICMP protocol operate?()A、Layer 1B、Layer 3C、Layer 4D、Layer 5
Which of the following is the standard aspect ratio for HDTV?()A、2.35:1B、4:3C、1.33:1D、1.78:1
硫酸奎宁用高氯酸标准液直接滴定,反应的物质的量之比为()。A、3:1B、1:3C、2:1D、1:2E、1:4
标准电影画面的宽高比是()。A、1.33:1B、2.33:1C、1.65:1D、1.85:1
Which of the following power settings represents 50 percent power in a lightweight access point?()A、1B、4C、2D、5E、3
Which of the following RAID levels provides exceptional redundancy and no write penalties?()A、RAID 1B、RAID 3C、RAID 6D、RAID 10