查询词典 longitudinal

Based on the theory of generalized estimating equations, this thesisstudies the parameter estimation in several statistical models for longitudinal data.

本文基于广义估计方程的理论研究了纵向数据下几类统计模型的参数估计问题。

The structural parameters of longitudinal stiffening rib are studied, and the reasonable parameters for which is also discussed.

对纵向加劲肋的构造影响进行了参数分析，开讨论了纵向加劲肋的合理构造。

It is made clear through the theoretic analysis that this phenomenon is caused by stimulated emission and interband carrier absorption that depend on the longitudinal mode competition, thermal effects, and so on.

理论分析表明这是由于激活区内载流子消耗、带间载流子吸收综合作用的结果，而这些效应与腔内的模式选择、注入电流产生的热效应等过程有关。

The results indicate that the high and the rigidity of pier greatly affect the structure＇s longitudinal rigidity, and the rigidity of straining beam decide the structure＇s transverse rigidity and torsion rigidity.

结果表明：桥墩的高度及刚度很大程度上决定了结构的纵向刚度，而横系梁的刚度是影响结构的横向刚度及抗扭刚度的主要因素。

If the strike of a fault is parallel to the general trend of regional structures, it is called longitudinal fault

如果断层走向与区域构造的总体走向相平行，就称之为纵向断层

Result R. sachalinensis seeds were banana-shaped. Their peels appeared light or heavy brown and had many stripy processes on the surface, most of which were longitudinal.

结果］高山红景天种子为香蕉形，种皮呈淡棕色或深棕色，表面有多个条状突起，且多为纵向，种子两侧有较粗的棱。

Stamens usually 6 in 2 whorls, rarely 3 or 1, inserted on perianth, often unequal or dissimilar; filaments slender, free; anthers 2-loculed, introrse, dehiscing by longitudinal slits or rarely by pores; pollen grains 2- or 3-nucleate, colpi 1 or 2(or 3), distal or subequatorial.

雄蕊通常6，2轮，很少3或者1，着生在花被上，通常不等长或者不同；花丝纤细，离生；花药2室，内向，纵向开裂或少数孔裂；花粉粒2-3核， 1或者2(或者3)沟，远轴或者近赤道面。

Stems suberect, usually branched from middle; branches gray-white, with longitudinal fissures; branchlets usually bearing inflorescences at apex.

茎近直立，来自中间的通常分枝；灰白色的分枝，具纵向的裂缝；小枝通常着生花在先端。

Fruit indehiscent, samaroid silicles, transversely oblong or ovoid, 1-seeded, thin walled, with woody and coarsely reticulate venation, angustiseptate, sessile, transversely 2-winged, 2-16-spined; wings prominent, longer or shorter than main part of fruit, with 3-20 subparallel veins extending full length; spines often unequal in length, at least some subparallel to pedicel, those on the seed-bearing fruit half longer; replum and valves margin united into a longitudinal vein; septum complete; style absent, obsolete, or conical and to 5 mm; stigma capitate, entire, long papillate.

果不裂，突出的翅，长或短于主要果，具3-20近平行脉深裂延长全长；刺通常不等长，在花梗，那些在种子取得成果半长上近平行的一些的至少；假隔膜和阀门边结合成为一纵向脉；隔膜完全；花柱无，废退，或者圆锥状和对5毫米；柱头头状，全缘，长具乳突。

Both the offset and tilted fedcoupling-slot array between the curved guide and sectoral guides and longitudinal radiating-slot array on sectoral guide are analyzed by moment method, taking into account of the effects of finite wall thickness and mutual coupling between the slots, employing the acceleration algorithms to accelerate the summation of slowly convergent series of the self-admittance of the waveguide-slot aperture, and introducing the surface Fock functions to simplify the computation of the self-and mutual coupling of the slots on the surface of cylinder.

采用矩量法分别分析弯波导与扇面波导间偏置倾斜馈电耦合缝阵和扇面波导轴向辐射缝面阵，其中计及有限波导壁厚及缝间互耦的影响，运用级数加速算法对波导中自导纳矩阵元级数进行加速处理，并引入表面Fock函数简化圆柱面上缝口面的自耦和互耦的计算。

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。