performance history是什么意思

网络释义

用法例句

sweep efficiency history

波及系数随时间的变化过程

The mathematical representation of a wave, especially a graph obtained by plotting a characteristic of the wave against time.

波形波的数学表示，尤指通过描绘波随时间变化特征而得到的图形

TVF Time Variable Filter

可随时间变化的滤波器

Time-Variation Characteristics of Carbon Monoxide Concentration During Transport in Channel Fires

通道火灾CO输运过程中体积分数随时间的变化特征

Some wave functions produce probability distributions that are constant in time.

某些波函数引起不随时间变化的概率分布。

A graphic representation of the variation of such a disturbance with time.

示波图这样的振动随时间变化的图示

Real-time Chemical Process Data Compression Algorithm and Its Application Based on the Wavelet Transformation;

基于小波变换的化工过程数据实时压缩算法及应用研究

According to the principle of time scale, the dynamic process of airflow pressure, temperature and shaft rotational speed are considered respectively.

根据部件动态特性的不同时间尺度,分别考虑气体的压力、温度以及转轴转速随时间的变化过程。

Another is a power function equation for the dynamic attenuation of flux, which shows the real varying process of flux with time and fits the experimental data better than the existed linear one.

后者是一个幂函数模型，比原有的线性模型更贴近渗透通量随时间变化的实际过程。

Bit sequences are digital signals varying with time.

二进制序列是随时间变化的数字信号。

A graph which shows this variation with time is called a waveform.

电压或电流随时间而变化的图形称为波形。

A new formation and solution for batch chemical process stochastic scheduling with uncertain processing time

加工时间不确定的间歇化工过程随机调度研究

A modified exponential model for reported casualties during earthquakes

地震报道死亡人数随时间变化的修正指数模型

The relationship between a son and his father changes over time.

父子间的关系是随时间的流逝而变化的。

In particular, in transient distillation, compositions throughout a column are changing.

对于非稳态的蒸馏过程而言就是通过塔器的化合物是随时间发生变化的。

Investigation of Turbulent Flow with Harmonically Oscillated Flowing in Tubes;

圆管内不可压缩流体随时间脉动变化时流动过程研究

The Evolution and Optimization of the Urban Spatial Form of Ningbo;

宁波城市空间形态演变过程及优化研究

Study on changes of sensory, physical and chemical properties and the total number of colonies, and the mutual relationship between them during meat storage

肉品质变化过程中感官、理化性质及菌落总数的变化及相互关系