设计一种新型半管均速管，并根据伯努利方程、连续性方程建立均速管仪表系数的数学模型。
A new half-tube averaging pitot tube is designed, and based on the Bernolli equation and continuity equation, a mathematics model is established.
传统GIS数据模型反映不了地理世界的连续性。
Traditional GIS data models can not reflect geographical continuity.
本文采用多层感知器建立了微带不连续性的神经网络模型。
The multi-layer perceptron is introduced to charcacterize the microstrip discontinuity by describings-parameters.
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