time varying

基本解释

According to the working condition of high speed railway, a spatial time varying model of subgrade/track/vehicle coupling system is established for dynamic analysis of subgrade.
考慮高速線路的實際工況，建立了包括軌道結搆和車輛的路基結搆空間時變動力系統分析模型。
On-line identification and self-tuning prediction of the ARMA under the influence of stochastic distribution sequence with time varying mean and time varying variance have been studied.
本文介紹了在具有時變均值和時變方差的隨機乾擾序列作用下，ARMA模型的在線辨識與自校正預報。
The dispersion can change the slow varying component of the chaotic signal, however, it does not change the time varying character and the distributions of power and intensity of the chaotic signal.
色散能夠改變混沌信號光場慢變場分量的變化，但不改變混沌信號包絡時變特性，也不影響混沌信號脈沖的功率分佈和場強分佈；

Even giants like Lucent Technologies have a hard time coping with wildly varying order volumes that can rise or plunge 80% from one month to the next.
FORBES: Leveling the playing field
As my husband noted on the OEM Facebook page, the downed wires happen time and time again (to varying degrees) when there is a major (or not-so-major) storm.
FORBES: Facebook Updates Keep Town Together Post Irene Day 6 Without Power
Turn back to the Dubai port story—which, while it has been superseded by other insomnia-inducing threats, was a major scandal at the time—and consider the varying perspectives behind the responses.
NPR: Excerpt: 'Strange Bedfellows'