variation n. 1.变化,变动。 2.变量,变度,偏差。 3.【语言】语尾变化;变体,异体;【数学】变分,协变;顺列;【生物学】变异,演变,变种;【音乐】变奏曲;【天文学】变差;(月的)二均差;【物理学】磁差。 a principle without variation 不变的方针[原则]。 be capable of variation 可能变化。 be liable to variation 容易变化。 These prices are subject to variation. 上列价格可能变更。 adj. -al
Influence of parameter variation on ventilation during reversing wind manoeuvre in mines 自然风压在矿山通风中的应用
Study of influence on the mode parameter variations of a geophone under various impact forces 冲击力对地震检波器模态影响的研究
The linear model is feasible to the system that has relatively low frequency and small parameter variation and outer disturbs 线性化模型对一些频宽不太高,参数变化和外干扰不太大的系统是可行的。
Different parameter variation caused by energy distribution duri ng die casting process shows that high energy filling mold is the key to insuring quality of die casting 从压铸过程中能量分配引起的各种参数变化,说明高能充型是保证压铸件品质的关键。
Numerical simulations are performed to investigate the effect on pem fuel cell performance of geometric parameter variation in the single cell and stack modules 实验方面,完成3组单电池及2组电池堆之组装,并进行性能测试,最后建构500瓦电池堆之系统连接。
Based on the optimization idea to minimize the maximum value of residual vibration energy over the entire range of parameter variation , a robust time - delayed filter was designed 摘要基于残留振荡能量最小的优化思想,在系统参数变化范围内设计鲁棒时滞滤波器。
The nonlinear simulation results show the effectiveness and robustness of the proposed control schemes over a wide range of loading conditions and system parameter variations 非线性仿真结果也显示出了综合协调设计出的pss和sps在各种负载条件、参数变化情况下具有大范围的鲁棒稳定性。
The test results demonstrate that the control system has not only better dynamic properties , but also strong robustness , and better self - adaptation for parameters variation and external disturbances 实验结果表明,该系统不仅有很好的动态特性,而且具有较强的鲁棒性,对于对象参数摄动和外界干扰具有很好的自适应性。
This is investigated upon a mathematical model of ifn - induced jak - stat signaling pathway by applying robustness analysis which is based on a broad range of simultaneous and systematical parameters variation 我们对细胞的jak - stat信号建立了数学模型,同时系统地改变模型中的动力学参数反应速率参数,然后进行大量的数值模拟实验。