double cross combination是什么意思

网络释义

用法例句

Comparative studies on the performance of Taihu pig double cross combinations and that of Duroc×(Landrace×Large Yorkshire) three-way cross combinations;

太湖猪内四元杂交组合与外三元杜长大组合比较试验

Experiment for comparing the performance of Erhualian pig double cross combinations and that of Durocx(LandracexLarge Yorkshire) three-way cross combination;

二花脸猪四元杂交组合与杜长大三元杂交组合比较试验报告

Report on breeding of summer autumn tetra hybrid variety Xin·Feng×Qin·Yun and its rearing performance.;

夏秋用蚕四元杂交种“新丰×青云”的选配和试养

The results showed that the meiosis of the quardrispecific hybrid F1 was abnormal, and some of the chromosomes were lost in most PMC.

用(亚洲棉×草棉)F1进行染色体加倍,再与(陆地棉×海岛棉)F1进行杂交,产生亚洲棉、草棉、陆地棉和海岛棉四元杂种。

bickii)] and its reciprocal cross,as well as their backcross progenies, of the quardrispecific hybrid with A, D, G genomes were studied.

对棉属 A、D、G三个染色体组合成的三元杂种 [陆地棉× (亚洲棉×比克氏棉 ) ]及反交和回交后代 ,四元杂种 [(亚洲棉×比克氏棉 )× (陆地棉×夏威夷棉 ) ]进行了细胞学研究。

A localized variational principle and hybrid element formulas for fluid-structure coupling vibrations;

流固耦合谐振分析的局部变分原理及其杂交元算式

In order to solve the singular stress fields in tips of bonded dissimilar anisotropic materials,a novel hybrid element model is established.

为了求解各向异性接合材料界面端部奇异性应力场,建立了一种新型杂交元模型。

Numerical examples of plane problem are presented and numerical results of 4-node hybrid elements have been compared with those of 4-node isoparametric compatible ones.

将杂交元推广于结构拓扑优化设计 ,推导了拓扑优化中数值计算和敏度分析的基本方程 ,对等参元和杂交元的拓扑优化结果进行了对照 。

Heterosis Research on Crosses of Poll Dorset, Suffolk, German Mutton Merino and Mongolian Sheep;

无角道塞特、萨福克、德国肉用美利奴与蒙古羊四元杂交后代杂种优势的研究

Improvements of Quadrilateral Element with Drilling Dofs Using Hybrid Finite Element Methods;

带旋转自由度的四边形元的杂交有限元改进

A Hybrid/Mixed Quadrilateral Element with Additional Internal Rotary Variables for Plate Bending Analysis

具有附加内转动变量的四边形杂交/混合板元

A New Linear Stress Hybrid Quadrilateral Finite Element and Its Three-dimensional Extension;

一个新型杂交应力四边形有限元及其三维推广

Stabilized Hybrid Lower Order Quadrilateral Elements for Reissner-Mindlin Plates and Convergence Analysis;

稳定化的低阶杂交四边形Reissner-Mindlin板元及误差分析

Improvements of 8-node Biquadratic Q8-element by Hybrid/Combined Hybrid FEMS;

杂交/组合杂交方法对Q8-元改进

On the Thought Structure of Yuan Zaju;

元杂剧的思想结构——元杂剧文本结构研究之四

Study on Hybrid Seed Failure by 4x×2x and 2x×4x in False Pakchoi(Brassica parachinensis)

菜薹二倍体与四倍体间杂交的杂种不育性研究

That is a hybrid perpetual rose.

那是一株杂交的四季开花的蔷薇。

A Hybrid Finite Element Analysis of Singular Stress Fields around an Irregular Inclusion Corner

异形夹杂角端部局部奇异场杂交有限元分析

SSR Fingerprints of Maize Inbred-lines and Hybrids Widely Used in Sichuan;

四川常用玉米自交系、杂交种的SSR指纹图谱构建

Research of Hybrid Stress FEM and Its Integration with MSC/PATRAN

杂交应力元的研究及其与MSC/PATRAN的集成

SOLUTION FOR ONE CLASS OF PLATE-COMPOSED STRUCTURES BY HYBRID FINITE ELEMENT METHOD

一类平板组合结构的杂交有限元解法

A 5 Node 19 β Hybrid/Mixed Curved Shell Element

一种5节点19-β杂交/混合(薄)曲壳单元

The Hybrid-Trefftz Finite Element Method for Elastic Contact Problems;

弹性接触问题的杂交Trefftz有限元解法

A Combined Hybrid Approach to Finte Element for Poisson Equation;

Poisson方程的组合杂交有限元方法

The Research of Axisymmetric Solid Elements with Hybrid Stress Finite Element Methods;

轴对称问题杂交应力有限元方法研究

A Kind of Hybrid Element Including Allman Type Drilling Degrees Of Freedom;

一种含Allman型转角自由度的杂交元