The utility model relates to a portable drawing machine, which belongs to the writing or drawing instrument class.

本实用新型涉及了一种轻便绘图机，属于书写或绘图仪器类。

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In the process of recognition, the prior probability is supposed to be the same, the posterior probability is calculated according to GMM, and then the instrument class is determined.

在识别过程中，首先假设各乐器的先验概率相同，根据高斯混合模型得出的后验概率确定待识别乐器所属的种类。

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The difference between Class E and A airspace is that in Class A, all operations are IFR, and pilots must be instrument-rated, that is, skilled and licensed in aircraft instrumentation.

E 级和 A 级空域的区别在于，在 A 级空域，所有操作都需遵照仪表飞行规则，飞行员必须要有仪表等级，也就是说，要有操作航空仪表方面的技术和执照。

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In many ways, The Visitor is a movie about taking a leap of faith, whether it's moving to a new country, befriending someone from a different class or culture, or learning a new instrument.

NPR: Learning to Drum �� and Live �� in 'The Visitor'

In some respects, the 2014 S-Class even surpasses what Bentley offers, as with its high-tech instrument panel and a new user interface that took more than 300 programers several years to develop.

FORBES: With Trendsetting Technology, 2014 Mercedes-Benz S-Class Gets All Up In Bentley's Business

This pending move back to planetary science from earth sub-orbit comes on the heels of improvements in pointing systems and instrument technologies that will allow ground-based controllers to fine-tune balloon payloads to include one-meter class optical and infrared telescopes.

FORBES: Budgets Nudge NASA Toward Balloon-Based Planetary Science: First Target? Comet ISON