同极

It is proved that the least squareestimators of linear estimable functions of regression coefficients areadmissible under matrix loss and minimax. The necessary and sufficientexistence conditions are derived for the uniformly minimum riskequivariant estimators of linear estimable functions ofregression coefficients under an affine group and a transitive group oftransformations respectively. It is also proved that there are no UMREestimators ofthe covariance matrix and variance under an affine groupof transformations and quadratic loss functions.

本文证明了回归系数的线性可估函数的最小二乘估计是极小极大的且在矩阵损失函数下是可容许的；还分别在仿射变换群和平移群下导出了存在回归系数的线性可估函数的一致最小风险同变估计的充要条件，并证明了在仿射变换和二次损失下不存在协方差阵和方差的 UMRE 估计。

In nine observations and mensurations from 3 June to 7 July, the relationship of fresh, dry biomass and diameter of fruits took on some rules in east, south, west and north, namely, and power or exponential allometry, and linear isogony, which were significant and very significant.

自6月3日至7月7日9次观查和测定中，在东、南、西和北四个方位上，黄刺玫的果实干鲜重和其果球径间的关系均呈一定的规律性变化，或呈幂函数或指数函数的异速生长或呈直线函数的同速生长，且均达到显著或极显著水平。

The relationship of fresh, dry biomass and their diameter of fruits took on power or exponential allometry, and linear isogony, which were significant and very significant in east, south, west and north in two sites.

樱草蔷薇果实生物量中，果实鲜、干重和其果球径两个数量性状之间或呈异速或同速生长，其相关性均达到了极显著水平，总体上均呈直线或幂函数的规律变化。

Diamond, an allotrope of carbon, has many physicochemical properties unrivaled by other known materials, such as superhardness, high thermal conductivity, high spectral transmittance and perfect electrical insulation. Thus it is considered an ideal material for many special applications in mechanics, thermotics, optics, electronics and other fields.

金刚石是碳的一种同素异形体，具有许多其它材料无法比拟的物理化学性质，如超高硬度、高导热率、高光学透过率和极好电绝缘性，因而在力学、热学、光学和电子等领域有许多特殊的应用价值。

High blood pressure, high blood ester, smoking, drinking, sugar diabetes, carotid sclerosis, fatness, atria quiver, blood vessel inflammation, blood vessel monstrosity, encephalic aneurism and high homocysteine are absolute danger factors, orderliness of living, morever incidence are masculine.

青年型脑血管病发生率的逐渐增高，其发病是一个极复杂的过程，其中高血压、高血脂、吸烟、酗酒、糖尿病、颈动脉硬化斑块、肥胖、房颤、血管炎、脑血管畸形、颅内动脉瘤、同型半胱氨酸增高，都是独立的危险因素，因此应积极早期预防，降低及避免青年型脑血管病的发生。

The results indicated that the fluorescence parameters of different leaf position in the same branch and different azimuths did not show significant difference, but still showed the certain degree of regularity.

结果表明，同一枝条不同叶位、同株苗木不同方位叶片荧光参数未达显著差异，但仍表现一定的规律性；同株苗木不同部位叶片性状与荧光参数 Yield 、 qN 均存在显著或极显著差异。

The mechanical properties and microstructure of the joints joined by the new developed filler metal and TC18 filler metal were compared,the results showed that only the strength of the joint joined by TC18 filler metal was satisfied,while the comprehensive mechanical properties of the joint joined by the developed filler wire were ideal.

对采用研制的焊丝和采用TC18同质焊材钨极氩弧焊焊接TC18钛合金的接头力学性能及微观组织进行了对比研究，结果表明：采用同质焊材焊接TC18钛合金只能保证接头的强度指标，而采用研制的新型焊丝焊接TC18钛合金，可以保证接头具有优良的综合力学性能。

Lu Xun wrote the essay On the Poetic Power of Maras to support rebellious poets; suggesting the rebellious and resistant nature of poetry can flourish anywhere, anytime, even today.

1907年鲁迅先生作《摩罗诗力说》，荐举&立意在反抗，指归在动作，而为世所不甚愉悦&的反抗诗人，特意点出诗歌天性中的不随俗同沦：&其声度时劫而入人心，不与缄口同绝&，正因这诗歌天性的存在，诗歌中的反抗，在每个时代每个地方都存在着，即使是犬儒之风极盛的今日21世纪。

The existence ofpolar nanoregions dramatically influences the extrinsic dielectric nonlinearityof paraelectric phase. 5 Slow relaxations of field induced piezoelectricresonance of paraelectric barium stannate titanate were observed after eitherapplying or removing a DC bias field. This phenomenon is attributed to slowspace charge dipoles formed by injected homocharges and validated by theobservation of a negative piezoelectric constant. Isothermal study ondielectric constant and discharging current after application or removal of astep field were performed. The relaxation laws in ferroelectric andparaelectric phases are different. The transportation of homocharges arebelieved to be responsible for the strong relaxation behavior in paraelectricphase. Domain wall can trap space charges thus the relaxation in ferroelectricphase is relatively weak. Abnormal phenomena, such as slim-waisted hysteresisloops, abnormal C-V curves and clockwise reversible hysteresis loops observedin barium stannate titanate ceramics, were attributed to pinning of gatheredpoint defect on domain walls.

5研究了直流电场施加和撤除引起的钛锡酸钡顺电相场诱压电谐振慢弛豫现象，认为这是同极性空间电荷注入形成空间电荷慢偶极子导致的，观察到的负压电常数证实了这个观点；研究了等温条件下阶跃电压作用下介电常数和放电电流的慢弛豫现象，发现钛锡酸钡陶瓷的铁电相和顺电相呈现不同的宏观性能时间依赖规律，认为是同极性空间电荷的输运过程导致了顺电相样品呈现强的弛豫行为，铁电相中存在畴壁捕获空间电荷的机制因而其弛豫行为较弱；研究了钛锡酸钡陶瓷中束腰电滞回线、反常 C-V 曲线和顺时针可逆电滞回线等反常现象，将其归因于点缺陷的聚集对铁电畴畴壁的钉扎作用，多次电场循环有助于解除这种钉扎状态，减弱反常特征。

Based on the twelve-sequence component method a location algorithm for four-parallel lines is introduced which is independent of source impedance, fault type, fault resistance and mutual coupling between four-parallel lines.

大量的EMTP仿真结果表明十二序分量法的精确性及各项图表的正确性。本文使用12序分量法对同杆四回线进行故障测距，提出了基于反序电流的同杆四回线的故障测距方法，该方法具有极高的测距精度。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新