Nature worked in our favor. During the early 15th century, radiocarbon levels were changing quite rapidly, so that allowed us to narrow the time frame.

大自然帮了我们大忙，15世纪早期，碳元素层变化活跃，使我们能缩短时间距离。

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Corresponding to the bridge carrying-capacity changing theory, the application frame system is set up in the paper to provide the carrying capacity calculation and programming with guiding ways.

对桥梁承载力演变理论的应用体系建立了相应的系统框格，为承载力实用分析计算和系统程序编制提供了实施途径。

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What is workable for now in changing the existing accounting confirmation and measurement frame system is the introduction of information disclosure in the off-statement notes.

改变现行的会计确认和计量框架体系，现在可行的是增加“表外附注”部分的披露信息。

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Torrey says it was no small feat composing shots of the ruins without any tourists in the frame, but even more difficult was chasing the ever-changing angles of natural light.

VOA: standard.2009.12.15

It comes from the operation of attentional and perceptual processes interacting with a visual array changing at minimum frame rate.

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Perhaps an answer can be found in the enduring power of his photographs, which always frame the changing world before his eyes.

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"I think changing a picture's frame is an ownership thing, a territorial way to put your mark on a painting, " says Eli Wilner, a New York dealer widely credited with raising the American frame market's consciousness (not to mention prices).

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