Note where each l'_i(x) intersects the axis. These
When you pluck a guitar string, it vibrates to and fro. You can tell how fast the string is vibrating by listening to the pitch it produces.。关于这个话题，新收录的资料提供了深入分析
，更多细节参见新收录的资料
Normal quartz oscillators drift slightly with changes in temperature, which is bad for precision metrology equipment. A TCXO contains a quartz crystal, an amplifier circuit to drive it, and a temperature compensation circuit which shifts the resonant peak slightly up or down to null out the effects of thermal drift.，详情可参考新收录的资料
-n N_TOKEN, --n-token N_TOKEN