The combination of these factors influences the amount of load the system can handle, which may vary from time to time.
这些因素的组合影响系统可以处理的负载的数量，这个数量每次都是不同的。
If one or more parameters, or the very form of an elemental equation, vary in a known fashion with time, the system is said to be time-varying.
如果有一个或多个参数，甚至连基础方程本身都以一种已知方式随时间而变化，则此系统就称为时变系统。
The result shows that, compared with the existing channel estimation algorithms for OFDM system under time-vary multipath channel, the proposed algorithm can effectively reduce estimation errors.
分析结果表明，与已有的OFDM系统在时变多径信道中的信道估计技术相比，所建议的算法可以有效地减小信道估计的误差。
The changes of concentration of every component in the system which would vary with the reaction time were measured at the different temperatures.
在不同温度下，测定了体系各组分浓度随反应时间的变化。
The changes of concentration of every component in the system which would vary with the reaction time were measured at the different temperatures.
在不同温度下，测定了体系各组分浓度随反应时间的变化。
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