Ideas are like the stars — we never reach them, but like mariners, we chart our course by them. (C. Schurz).

理想就象是星星——我们永远无法到达，但是我们象水手一样，用它们指引航程。

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Ideas are like the stars - we never reach them, but like mariners, we chart our course by them. (C. Schurz).

抱负就象是星星——我们永久没法达到，可是我们象海员一样，用它们指引航程。(舒尔茨)。

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Based on the basic equation of A. C. exciting alternator, the vector chart and power flow chart of the alternator are studied, and a method of variable-speed and constant frequency (VSCF) is proposed.

从交流励磁发电机的基本方程出发，通过对其矢量图和功率流程的研究，提出了变速恒频的实现方法。

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The chart shows a typical a-b-c corrective pattern.

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The current chart shows a short-term flag formation, lines b and c.

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The long-term chart of the euro-dollar exchange rate shows a series of lower highs since 2007 (line c).

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