The 50mm prime on average allows an aperture around F1.4 on a mid ranged price lens, F1.8 on the cheaper ones and F1.2 on the pro series.

50mm定焦镜头在较大价格范围内的平均光圈是F1.4，便宜的（镜头）光圈为F1.8，较贵的（镜头）光圈为F1.2。

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To calculate their price targets, they multiplied Apple's estimated earnings by factors that ranged from 16 to 22.5.

为了计算目标股价，他们将苹果公司的预期收入乘以从16到22.5的不同系数。

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They ranged in price from $5 to $90.

他们价格不等，从$5到$90。

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To find out just how well today's robots work, we tested six of the coolest personal bots currently available for sale in the U.S. ( Click here to see them.) They ranged in price from a couple hundred to a couple thousand dollars and fell into two broad categories: single-purpose robots, which are designed to accomplish a specific task, and entertainment robots, which exist for pleasure and play.

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In the past few years, in dozens of utility regions such as Georgia, Louisiana and Ohio, price hikes have ranged from 20% to 80%.

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Similarly, price-to-cash earnings have historically ranged between 12.1x to 17.8x, but the current level of price-to-cash earnings is only 10.3x.

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