边际效益与性状表现贴现值之积即经济加权因子。
Economic coefficient is equal to the product of marginal profit and expressed discounted value for objective trait.
近等基因系是研究作物性状表现与功能的重要材料。
The near-isogenic lines (NILs) are the important materials in studying the performance and function of the crop traits.
目的探讨汉族男女在正常性状表现及基因频率的差异。
Objective: Research the differences of the normal character and gene frequency between male and female in the Hans.
通过F_1和F_2代的性状表现研究雄性不育性的遗传和基因定位。
The genetics and gene location were studied through F_1 and F_2 generations.
除花期低温对不育系铃重有所影响外，其他性状表现正常，均优于山西。
Except low temperature at flower stage had effect on boll weight of sterile line, other characters performed normally and all superior to those in Shanxi.
采用直观分级及生物统计方法，分析了甘蓝型黄籽油菜粒色性状表现的不稳定性变化。
The instability of seed color in yellow seed Brassica napus was studied with visual class and biostatistical methods.
对七个甘蔗基因型伸长盛期的株型性状表现以及它们与产量、品质性状的关系进行分析。
The performance of morphological characters in the great elongation stage and their effects on yield and quality characters were studied on seven sugarcane genotypes.
从这些品系的能源用途品质性状表现看，它们可能分别适用于不同的转化途径和利用方式。
According to energy use related quality characters, these accessions can be applied to different ways of conversion and utilization.
提出了确定主选性状、辅助性状和限制性状的方法，便于育种者根据个体的性状表现进行选择。
The paper also shows ways to ascertain main selective, assistant and restrained trait, which allow breeders to select by individual phenotypes.
亲子相关分析为利用亲本表现初步预测杂种一代性状表现、杂交制种亲本选择选配和性状改良提供了理论基础。
Correlation analysis between hybrids and parents could be used as theory basis for predicting performances of hybrids characters, selecting inbred lines as parents and improving characters of parents.
分析“八五”参试品种各项品质性状表现，参试品种品质仍不理想，大多数品种整精米率、垩白率、垩白面积、粒型表现欠佳。
In terms of various quality characters, most of the cultivars tested were, however, not satisfactory in head milled rice recovery, chalkness ratio, chalkness area and grain shape.
由不同的杂交方式所得到的第三代植株，其株高、穗位高、叶长、雌雄间隔期、穗上叶片数等性状表现不一致，存在较大的遗传变异。
Results showed different hybrid method had different effects for the plants, the variation degree were different to the same agronomic characters.
遗传分析表明：该突变性状表现为隐性单基因的遗传，在苗期能被0.05％以上的苯达松全部杀死，而其它常规品种则表现为对苯达松的抗性。
The results indicated that bentazone sensitive lethal gene was controlled by a single recessive gene . The Norin 8 m seedling can be killed by bentazone (above 0.05%), but its FI seedlings are safe.
本试验中发现早稻“湘两优68”和株两优819的产量和品质性状表现均较好，晚稻“丰优299”、“培两优288”和“金优207”的产量和品质性状表现均较好。
The results showed that the yield and quality properties of Xiangliangyou 68 and Zhuliangyou 819 in early rice and Fengyou 299, Peiliang 288 and Jinyou 207 in late rice were better.
在亲本选配中，尽量提高双亲性状的表现，以取得较大的杂种优势。
The biggest heterosis will be obtained by improved the performance of parents' characters in parents' apolegamy.
绝大多数性状的配合力在播期间各自交系却表现出序列的相对一致性。
On the contrary, the array of combining ability for most traits showed no difference between two sowing dates.
近年来，人们对英语专业学生的智性状况和思维能力表现出越来越多的关切。
Recently more and more people express their concerns for English majors about their intellectual development and thinking abilities in China.
花药体细胞植株，集芽接树和实生树的优点于一体，是一种幼态自根无性系，表现出许多优良性状：1。生长快。
Hevea anther somatic plants which combines both the advantages of seedlings and buddings, is a juvenile self-root clone that has showed a number of desirable characteristics: 1.
各杂交组合在产量性状上的表现与总配合力一致，说明用总配合力效应可以预测产量。
Performance of the yield traits of each hybrid combination was consistent with the general combining ability, so general combining ability could be used to predict yield.
水稻芒的性状与驯化过程密切相关，具体表现为芒长短和芒的分布等。
Awn traits of rice, which marked by awn length and distributive characteristic, are involved in its domestication.
试验结果表明：1、渍涝影响亚麻的农艺性状，具体表现在株高降低、工艺长度减短、出麻率下降等方面；
The results indicated that: 1 . Waterlogging stressing has effects on economic characters of flax. The plant height, technical length, fiber percentage of flax are decreased.
导入后代植株形态性状上的变异主要表现为籽粒颜色特殊，部分株系植株较高、叶片肥大、茎杆粗壮；
The main variations of offspring in the plant morphologic characters were special seed-color, tall plant height, fat leaves and thick stalk.
根重、根粗性状在遗传中表现出较高的超中亲现象。
Carrot root mass and diameter were superior to mean traits of parents in heredity.
氮胁迫可以影响根系的遗传，表现为根系性状的广义遗传力下降，狭义遗传力上升。
N stress exerted an influence on the genetic ability of root traits, with decreasing of broad genetic ability and increasing of narrow genetic ability.
互作效应普遍存在，是烟草性状杂种优势表现的主要原因之一。
The epistatic effects could not be ignored in tobacco breeding. They were one of main causes of heterosis for most characters.
随性状和世代群体不同，表现不同的变异性。
With character, generation and population the variability varied.
生长量是杨树的重要性状指标，但除此之外，容积密度和纤维长等在材性上表现较佳的优良品种的培育也越来越受到社会的关注。
Besides this, cultivation of excellent variety that has better performance in wood properties including bulk density and fiber length also has been gained more and more attention from society.
此外还分析了各品种综合性状对环境指数的敏感程度和稳定性表现。
Besides, the sensitivity degree of combined trait to environmental index was analyzed.
对这4个性状的多重比较分析表明，各形态性状在不同生态环境下表现出一定程度的分化。
Multiple comparison analysis of 4 characters shows that morphological characters in different habitats have differentiated in some degree.
对这4个性状的多重比较分析表明，各形态性状在不同生态环境下表现出一定程度的分化。
Multiple comparison analysis of 4 characters shows that morphological characters in different habitats have differentiated in some degree.
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