Controlled by an optical switch, a fiber Bragg grating sensing system based on spatial division multiplexing is developed under a broad-band source illumination.

介绍了一种光纤光栅空分复用传感系统，并将光纤光栅的传感特性应用于结构健康检测系统中。

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The metal grating encoder can work availably and stably under difficult conditions.

金属光栅编码器可以在恶劣环境条件下有效而稳定地工作。

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Meanwhile, some new conclusions in favor of designs on metal grating under grazing incidence in soft X-ray region were obtained.

同时，得到了一些优化软x射线波段掠入射金属光栅设计的新结论。

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The Mac Pro, possibly Apple's worst kept secret in the last couple of years picks up where the Power Cheesegrater Power Mac G5 left off, with the same cheese grating action, but a whole lot more under the hood.

ENGADGET: Apple unveils dual Xeon-based Mac Pro