A bulk progeny test is a simple way to learn the effectiveness of mass selection.
集团后代测验是了解混合选择有效性的一个简单方法。
The genetic quality of the parents can be judged with much greater certainty than in mass selection.
亲本的遗传品质比起混合选择来,能判断得更加确切。
Responses of main characters of upland cotton to mass selection-mass crossing breeding system were studied.
研究了陆地棉主要性状对混选—混交育种体系的响应。
Phenotypic mass selection for improvement of scab resistance was effective and feasible in a wheat gene pool.
应用表型混合选择改良小麦基因库抗赤性是有效可行的。
The program of the new cotton breeding method of mass selection-mass crossing is described and the results of breeding cotton is presented in this paper.
本文详细叙述了棉花混选—混交新育种方法的程序及其育种效果。
Only little intensive mass selection was carried out during the culture after it is extended to all over the country, which result in large differences between individuals.
由于各方面的原因,建鲤进入大面积推广后,在繁育过程仅开展了强度很小的群体选育,导致了建鲤生长性状的个体差异增大。
However, the selection of some garments is based on the body mass index (BMI) to achieve optimum compression.
然而,选择一些服装是根据身体质量指数(BMI),以实现最佳的压缩。
With regard to the problem that original feature in image classification is mass and redundancy, a new image feature selection method was presented.
针对目前图像识别中原始特征数量大、不相关特征多以及冗余等现象,提出了一种图像特征选择方法。
The paper briefly narrates the reasons for mass concrete crack, prediction of crack, field control, material selection and curing of concrete.
简述大体积混凝土裂缝产生的原因,裂缝预测,现场控制,材料选择,混凝土的养护。
The research on variable mass flowing law in horizontal wellbore is the basis of the productivity prediction, horizontal length selection and completion design optimization of horizontal well.
水平井筒变质量流动规律的研究是水平井产能预测、水平井水平段长度优选以及水平井完井设计优化等的基础。
Considering the history of the life of the human individual, the individual who is in different phase is different in the effects that he receives and different in the mass media selection and use.
就人类个体生命历程而言,不同生长阶段的个体受到大众媒介的影响以及对大众媒介的选择和使用是不同的。
The mass-storage controller detection and device-driver selection processes that are performed during the Text mode portion of Setup follow a different process.
在安装程序的文本模式部分执行的大容量存储控制器检测和设备驱动程序选择使用的是另一个过程。
There are two aspects influencing on stabilization planning, which are theoretical analysis method and selection of the mechanical property parameters of soil and rock mass.
边坡设计的稳定性规划取决于理论分析方法和岩土力学性质参数选择两个方面。
Train mass and train speed are the important factors affected to transport capacity and traffic cost. Their optimized selection is more important to express train and high speed train.
列车质量与速度是影响运输能力与成本的重要因素,其优化选配对快速与高速列车尤为重要。
The same basic population C0 had been selected for four cycles with Dominant male sterile wheat by means of the half-sib mating recurrent selection and the mass recurrent selection programmes.
以显性雄性不育小麦为材料,采用改良半姊妹和混合轮回选择两种方案,对同一基础群体C_0进行了四轮选择。
In this paper, the design of blasting scheme, the selection of blasting parameters, charging structure and sound wave measurement in a rock mass were introduced.
本文介绍了爆破方案的设计、爆破参数的选取、装药结构以及岩体中声波的测定。
Through comparison of the results of assorted computation schemes, replacement of soft rock mass and optimum selection of anchoring support as well as feasible excavation sequences are illustrated.
通过多种方案计算和比较,论证了局部软岩置换、支护型式优化、支护参数优化的合理性。
When relational tuples are flowing from mass storage to host via this filter, the unary operations of relational algebra for them such as projection and selection are completed parallelly.
使关系元组在由外存至主机的流动过程中就并行完成筛选、投影关系代数的一元运算。
Object To evaluate the clinical outcome of fixation of C2 vertebral pedicle and C3 lateral mass of screw in treatment of traumatic spondylolisthesis of the axis and the selection of therapy.
目的评价颈椎后路椎弓根及侧块螺钉内固定治疗创伤性枢椎滑脱的临床疗效及手术方案的选择。
The selection of package subtrate is also introduced, For mass production of integrated circuits and microwave modules. packaging is very critical in terms of either perform…
在集成电路和微波模块批量或规模生产中,无论就性能还是就成本而言,封装技术都是值得重视的关键技术。
The selection of package subtrate is also introduced, For mass production of integrated circuits and microwave modules. packaging is very critical in terms of either perform…
在集成电路和微波模块批量或规模生产中,无论就性能还是就成本而言,封装技术都是值得重视的关键技术。
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