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。
2
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)。
3
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.