依据性状

Then, the computer program CCP1 was edited to study synthetically the influence of 5 factors (i. e. CV value of seed, number of compartment, resident time distribution of massecuite in the compartments as well as vacuum, the height of massecuite) on CV value and MA value of products of multicompartment continuous crystallizer.

依据上述理论模型及其解法，本论文作者进一步编译了能综合考察晶种性状、分室数目、糖膏在各分室中的停留时间分布以及真空度、糖膏高度等五个因素对卧式多分室连续结晶设备产品CV值和MA值影响情况的计算机程度CCP1。

According to the physical properties required for soilless-culture substrates,this paper produces 17 types of nonwoven substrate s with noil in cotton mill using needle punching based on experimental scheme ofExpert software.

以无土栽培基质所要求的物理性状为依据，采用棉纺厂落棉，根据Design-Expert软件设计的实验方案，利用非织造布针刺技术，生产了17种非织造布基质。

According to the physical properties required for soilless-culture substrates, this paper produces 17 types of nonwoven substrates with noil in cotton mill using needle punching based on experimental scheme of Design- Expert software.

以无土栽培基质所要求的物理性状为依据，采用棉纺厂落棉，根据Design-Expert软件设计的实验方案，利用非织造布针刺技术，生产了17种非织造布基质。

The function mathematic models have been establashed to forecast the output, protein and lysine content of the three varieties--"Shannong No.7859","Jinmai No. 5418" and "Baiquan No .3039" and Three areas-- Huixiant Wuzhi and Ximyu.By the quadratic rototion regression, design experiments on the basis of "nonidentical varieties",'nonidentical areas, aud by the models' simulating on the computer, the practical programs of comprehensive agricultural measures of three varieties and th...

本文通过不同品种和不同地点的二次旋转回归试验，分别建立了陕农7859、冀麦5418和百泉3039三品种和辉县、武陟、修武三地点的产量、蛋白质和赖氨酸含量三个性状的二次旋转回归数学模型，并通过计算机模拟仿真，分别筛选出了三个品种和三个地点的小麦高产、优质综合农艺措施实施方案，从而为河南小麦的高产优质栽培提供了依据。

The effects of major gene and polygene heritability were important on maize stem lodging inheritance, and should be paid more attention in maize breeding.

这一研究结果为玉米抗倒伏性状的有效选择提供方法和理论依据。

In order to search after appropriate nitrogen application dosage and proportion of phosphorus and potassium in the fertilizer composition, provide with a reasonable economic principle for scientific fertilization and guidance schemes for the production of quality sun-cured tobacco, an orthogonal design was used with small plot trials in the suitable growing areas to compare the effects on growth and development, yield, output value, and smoking quality of sun-cured tobacco, the results showed that the influences occurred in varying degrees while less or ruleless effects displaying on appearance quality and botanic characters respectively.

为研究和探索红土晒烟适宜的施氮量和氮磷钾比例，为生产优质红土晒烟提供经济合理的科学施肥依据和指导方案，运用正交设计，在红土晒烟适宜种植区进行重复小区比较试验，研究不同施氮量和不同氮磷钾比例对红土晒烟生长发育情况、产量、产值和内在品质的影响，结果表明，不同施氮量和氮磷钾比例对红土晒烟的产量、产值、以及内在品质存在不同程度的影响，而对烟丝外观质量的影响较小，对植物学性状的影响没有规律。

And it is powerfull basis of judging stability and self-excited oscillation shape and properties.

是判断网络稳定性和振荡性状的有力依据。

Based on the generalized potential energy variational principal of nonlinear elasticity theory with large deflection, the incomplete generalized potential energy functional with large deflection is established on the space coupling free vibration of three-span self-anchored suspension bridge by considering the effect of axial compressive and shearing strain energy of stiffening girder.

摘 要：摘要：基于大位移非线性弹性理论的广义变分原理，考虑了加劲梁轴向压缩应变能和剪切应变能的影响，建立了三跨自锚式悬索桥空间耦合自由振动的大位移不完全广义势能泛函，通过约束变分导出了自锚式悬索桥的竖向挠曲振动、横向挠曲振动、纵向振动及扭转振动的基础微分方程，为自锚式悬索桥的固有振动性状分析提供可靠的理论依据。

In order to provide a reference for the selection and breeding, exact evaluation and approvement of new wheat varieties, making use of the grey correlative degree analysis in regional trial from 2003~2004, the grain yield and 12 main characters of 11 new varieties of wheat were evaluated comprehensively.

为给小麦新品种的选育和确切评价以及品种审定提供参考依据，应用灰色关联度分析法，对参加2003~2004年度山东省高肥乙组区域试验11个小麦新品种的13个主要性状进行了综合评估。

So it is very necessary to study variances of Chinese Meretrix meretrix germplasm resources and their molecular genetic bases for their lasting utilization,sustained and healthy development of aquaculture industry. In this study, the genetic bases and their variances of representative populations of Meretrix clam were investigated through phenotypic traits and on the molecular level by quantitative genetic methods and molecular marker analysis technique.

本研究从表观性状和分子水平上探测我国文蛤种质资源的遗传基础和变异水平，旨在深入了解我国文蛤的种质状况并为其保护和可持续利用提供依据；在此基础上，通过杂交选择育种实践，分析和探讨文蛤由此获得杂种优势水平，为养殖文蛤的遗传改良和新品种培育提供理论指导。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。