A beneficial reference is provided for deep independent development of automatic voice guide system with derived mathematic model.

所建立的数学模型对自动语音导航系统的自主性深层开发，提供了有益的参考。

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Reference source outputs a stable reference signal which is independent of power supply voltage, temperature and process.

其输出的基准信号稳定，与电源电压、温度以及工艺的变化无关。

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Its key equipment is scene matching correlator, and its key technology is scene matching. It realizes independent navigation and guidance by matching real-time image and reference image.

其关键设备是景象匹配相关器，关键技术是景象匹配，它利用实时图像和基准图像的匹配来实现自主导航、制导。

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And though it contains an exhibition checklist, it is not as much a conventional catalog as an independent and invaluable reference volume on this compelling subject.

WSJ: Less Familiar Faces | Revealing the African Presence in Renaissance Europe | Princeton University Art Museum | By Barrymore Laurence Scherer

Meanwhile, the president of the Union of Welsh Independent Churches made reference to the recent census results in which 58% of people in Wales said they were Christians but 32% said they had no religion.

BBC: Archbishop's message: Children teach us joy of Christmas

"The society is concerned that there are real dangers in government's wish to write into law that it should have the power to directly fund higher education partnerships and collaborative activities in 'strategically appropriate' circumstances without reference to independent knowledge experts in Hefcw, " it says.

BBC: Learned Society concerns about control of universities