
n.非周期性(非調(diào)諧性)
A residency is aperiod of hospital training for medical school graduates. 一段實(shí)習(xí)期是指允許醫(yī)學(xué)研究生在醫(yī)院培訓(xùn)實(shí)習(xí)的時間。
aperiodicity of this kind of decline and sex of the corresponding period, crisis degree is small, economy of phenomenon of duration short; 這種衰退無周期性和同期性 ,危機(jī)程度輕 ,持續(xù)時間短 ;
Aperiodicity energy 非周期能量
aperiodicity stretch 非周期性延伸