There is, however, a definite structural variation between the male and female brain.
然而，男性和女性的大脑确实存在结构上的差异。
A specific problem, particularly if the sample is heterogeneous, is how to depict information about structural variation.
一个特定的问题是如何描述结构变化的信息，特别是如果样本是异质性时。
The composition changes in protein and lipid could indicate the structural variation of the fibre and foresee the performances of a textile fibre.
结果表明，羊毛纤维中的蛋白质和脂类的组成变化，可反映出纤维结构的变化，并能够预示纤维的纺织性能。
The structural variation of the hydrocarbyl groups in the extractant molecules has the different influences on the extractability of various metal ions.
萃取剂分子中烃基结构的变化对各种金属离子的萃取能力有着不同程度的影响。
The regional geological data and the gravity trend surface analysis technique were used to investigate the structural variation in the northern Jiyang Depression.
利用连续变化的趋势面分析技术及区域地质资料研究了济阳北部地区的构造变化规律。
The semi-variation structure for most soil available nutrients was obvious and the rate of structural variation accounted for more than 50% of the total variation.
大多数土壤速效养分的半方差结构明显，结构性方差占总方差的比例均在50%以上。
An advanced design platform of integration of structural variation and simulation analysis was developed. It was applied in the design of precision plastic injection molding equipment.
开发了集成结构变异与仿真分析的先进设计平台，并在精密塑料注射成型装备的设计开发中得到应用。
The related structural parameters of vehicle body gap are changed respectively, to investigate the corresponding variation in the electromagnetic shielding effectiveness of vehicle body gap.
分别改变车身缝隙模型的相关结构参数，考察相应的电磁场屏蔽效能的变化。
They can serve as artistic means and language once we master the properties, variation regulations, and structural characteristics of lighting.
只要掌握光的特性、变化规律及结构特点，就能让它们成为艺术的手段和语言。
An analysis is thus given to the effects of independent variation and simultaneous variation of structural parameters on the seismic dynamic response of frame shear structure.
分析结构参数单独变异，以及同时变异对框剪结构地震响应的影响。
Therefore the recommended reliabilities of cement concrete pavement for different airport and the classification of the pavement structural parameter variation are put forward.
提出了各级机场水泥混凝土道面的目标可靠度的建议值，推荐了道面结构参数变异水平分级。
The case study shows that using this technique can be able to further improve the precision of stacking velocity and imaging in complex structural areas or with big variation of lateral velocity.
实际处理表明，该技术能进一步提高叠加速度的精度，改善构造复杂区或速度横向变化较大时的叠加成像。
In this paper, acoustic-structure sensitivity is used to predict the variation of acoustic pressure with the change of structural parameters.
声学-结构灵敏度用于预测结构辐射声压随结构参数的变化，这对低噪声结构设计具有重要指导意义。
This paper mainly describes the mineral composition, structural behaviour of the weak seam in dam foundation, and its chemically solvent action and variation under long term infiltration of water .
本文着重阐述了软弱夹层的物质组成、结构特性及其在长期渗水作用下的化学溶失作用和变化趋势。
The spatial variation of lithosphere rheological property produces structural weak zones where deformation easily happened.
岩石圈流变性的空间变化产生了构造上的软弱带，成为极易变形区域。
The results show that the variation of the stochastic variables has a different influence to the structural responses of cable-stayed Bridges.
算例研究表明，各种随机变量的变异对斜拉桥结构响应影响规律不同。
The structural deformation is the principal geological factor that affects the thickness variation of coal seam on a mine field scale.
构造作用是控制井田范围内煤层厚度变化的主要地质因素。
The paper points out that there really exist characteristics of temporal variation in the parameters of terrestrial heat fields, which are related to seismic structural activation.
文章指出，与地震构造活化有关的地热场参数随时间变化的特征确实存在。
The variation of structural frequency before and after the damage is believed to be a most available and widely used modal parameter because of its easy testability and high measure precision.
由于结构频率测试容易测试并且有较高的测量精度，因此成为损伤识别中广泛应用的模态参数。
Consequently, it is required to know the variation regularity of temperature field in the structural member and thermal stress in order to make thermal crack controlled.
为了进行裂缝控制应掌握结构温度场和温度应力的变化规律。
The relationship between airflow characteristics and aerodynamic drag and the variation of aerodynamic drag with basic structural parameters were obtained.
揭示了气流流动特性和厢式货车气动阻力特性之间的关系；厢式货车基本结构参数变化时阻力特性的变化规律。
This dissertation establishes numerical methods in structural analysis on the basic of variation principle, finite member element method, spline function, etc.
本文利用变分有限元法、样条函数等，提出了薄壁箱梁结构分析的数值理论和方法。
Precipitation is a regionalized variable changing with the variation of space position. It has both random and structural properties.
降雨量系随空间位置变化的一种区域化变量，既有随机性，又有一定的结构性。
How the variation of take-off suspension weights affects the structural fatigue life is investigated through surveying actual flight parameter recorder (FPR) data.
主要通过飞行参数记录仪(FPR)记录的数据研究战斗机起飞外挂重量对飞机结构疲劳寿命的影响。
In this paper, the stability of construction for the bridge is studied by the method of time variation mechanics, and it describes well the structural behavior during construction.
本文按时变力学分析方法，研究了大跨度拱桥的施工稳定性问题，较好地模拟了施工过程的结构行为。
Structural response in relation to variation of wind speed and the problem of survival of platform under the action fo typhoon are also analysed.
给出了台风风压的长期分布，分析了各种风速条件下结构的响应组成，讨论了平台在台风影响下的生存问题。
The variation of structural frequency before and after the damage is believed to be a most available and widely used modal parameter because of its easy testing and high measure precision.
由于结构频率容易测试并且有较高的测量精度，因此成为损伤识别中广泛应用的模态参数。
However, this method can only consider the record-to-record(RTR)variation in ground motions but not consider the randomness in structural properties.
然而，传统的云图法只能考虑地震动的不确定性，而无法考虑结构的不确定性。
The stress variation in the center is just opposite, and a structural type internal stress state is formed after quenching.
心部的应力变化正好相反，最终形成了组织应力型的内应力分布。
Under the action of various seismic waves, the rules of structural response are not same with the variation site.
在不同地震波作用下，结构反应随场地的变化规律不同。
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