An improved genetic algorithm is developed, with the addition of three new operations: enforced mutation; direct preserving of best chromosome and using adaptive parameters.
针对常用遗传算法存在容易产生过早收敛的问题,提出了一种将强制变异、最佳解保留和自适应交叉变异参数调整相结合的改进遗传算法。
With the method of constraint variation,we obtain the existence of the solutions for the equations.
本文考虑一类非线性椭圆方程,运用强制变分方法,我们给出了在多种情况下方程解的存在性。
There are two causes to lead to the change of place names such as natural change of place names and forced change of place names.
而导致地名变化主要有两个动因,一是地名的自然改变,一是地名的强制改变。
Studies on Longitudinal Compressive Strength Variance of Eucalyptus cloeziana
大花序桉木材顺纹抗压强度变异研究
Interdecadal Features of SCS Summer Monsoon Intensity Interannual Variabilites;
南海夏季风强度年际变化的年代际变异特征
Analysis and control of cement stable detritus anti-pressure intensity test aberrance
水泥稳定碎石抗压强度试验变异分析与预控
The strength and the center position of each above magnetic anomaly changed with time, and the trend of each change is not alike.
各个磁异常的强度和中心位置随时间变化 ,变化趋势各不相同 .
This simple method gives only an indication of the intensity of selection responsible for the inception and maintenance of clinal variation.
这个简单方法只能说明对梯度变异开始和保持起决定作用的强度。
Its brightness show slight variation in intensity, though its general shape remain unchanged
虽然它的形状没有改变,但其光亮强度有微小差异
Its brightness show slight variation in intensity, though its general shape remain unchanged.
虽然它的形状没有改变，但其光亮强度有微小差异。
Spatial Heterogeneity of Land-use Intensity Change at County Level--A Case Study of Guanxian County in Shandong Province;
县域土地利用强度变化的空间异质性研究——以山东省冠县为例
Impact of abnormal stress distribution near the alteration belt on rock-burst risk strength
近蚀变带地应力异常分布对岩爆风险强度影响研究
Factors and Variability Affecting Splitting Strength for AC-13 Asphalt Mixture
AC-13改性沥青混合料劈裂强度影响因素与变异性
Variation of embryonic diapause intensity and life-cycle pattern in five geographic populations of the Chinese rice grasshopper,Oxya chinensis(Orthoptera:Acridoidea:Catantopidae) from China
中华稻蝗五地理种群的卵滞育强度及生活史模式变异
Talk about the difference characters between high intensity concrete and ordinary concrete;
高强度和普通混凝土强度的差异分析
Such a range of variation is termed a cline.
这样一个变异区域称为梯度变异。
The sport can cause the changes of the immune function of organism; There are many differences because of the dissimilarity of the training intensities and way and the level of training.
运动可引起机体免疫系统功能变化,变化趋势因运动的强度、式和训练水平不同而有差异。
Exceptional in degree or intensity; considerable
（程度或强度）异乎寻常的；格外的；相当的
Two-direction Variation S-Rough Sets of the Variable Precision and Its Variable Structure;
变精度双向变异S-粗集与它的变异结构
horizontal intensity isoporic charts
水平强度等磁变线图
uniform strain shearing strengh tester
等应变剪切强度测试仪