The only limits you have are the ones you set for yourself.
相位裕度是系统在变得不稳定之前可以容忍的程度的度量。
我能给有抱负的演员的最好建议是耐心和坚持。这是一个艰难的行业,但如果你热爱它,那就是值得的。
Mathematics is the music of reason.