Instead, Dr Mocella employs phase-contrast imaging, a technique which works because the ink in the scrolls has not been absorbed into the papyrus, but instead sits on top of it.

相反地，莫塞拉博士采用的是反差衬托图像，它之所能有效是因为卷轴里的墨水没有被纸莎草纸吸收，而是在纸面之上。

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Conclusion Phase-contrast MR imaging is proved to be an accurate and practical flow measurement technique in flow phantom study and can be used in quantitative study of blood flow clinically.

结论流动液体模型证明磁共振相位对比技术是一种客观、准确的流体定量测量技术，可用于临床血流定量研究。

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This "phase contrast" signal gives much clearer and detailed results.

这种“相差”信号提供更为清晰和详细的结果。

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Even the advanced two-stage focusing system has made its way from the T4i, which utilizes both phase-difference and contrast AF in order to achieve focus more efficiently when capturing video.

ENGADGET: Canon EOS M mirrorless camera hands-on (video) Hands-on

Photo Rumors hears the two shooters will switch to a newer, faster hybrid (both contrast and phase detection) focusing system that also includes Sony NEX-style manual focus peaking, which provides a rough visual guide as to when a subject is as sharp as possible.

ENGADGET: Fujifilm X20 and X100s details reportedly leak, put focus at center stage

The F900EXR automatically switches between Phase Detection AF and Contrast Detection AF depending on the subject and scene, guaranteeing superb ease-of-use and fast, accurate autofocus no matter what the setting or shooting conditions.

ENGADGET: Fujifilm launches alphabet soup of point-and-shoot, compact and bridge cameras