交合

The low-P tolerance genetics of a set of 'Hexi41×Dabaidao' and RILs planted respectively in low phosphorous ferruginous acid red soil and high phosphorous soil were studied to investigate the expression of low phosphorus tolerance characteristics of hybrids under low-P stress, which provided the theory basis for the orderly improvement of rice germplasms with phosphorus efficiency.

以严重缺乏有效磷的酸性红壤开展合系41×大白稻强耐低磷杂种后代及重组近交系的遗传特性研究，以期明确低磷胁迫下杂种后代的耐低磷特性的表达，为磷高效水稻种质资源的定向改良提供理论依据。

Bezier and NURBS are chosen as the fundamental method to achieve surface reconstruction on the basis of fundamental theory of sculpture surface reconstruction. Then the fitting method of Bezier and NURBS surface reconstruction is given after the reconstruction algorism is discussed.

作者研究了复杂曲面重建的基本理论，选择Bézier和NURBS作为曲面重建的基本方法，同时对曲面重建的算法进行研究，给出Bézier和NURBS曲面拟合的不同方法，并对求交、拼接和光顺等方法进行了深入研究。

Based on orthogonal experiment and multiple regression statistical analysis, a calculation model of dust mass concentration in traffic was established, with a significance of 99% and a better goodness of fit.

通过对它们设计正交试验和多元回归统计分析，得到运输扬尘质量浓度的计量模型，该模型具有99%的显著性和拟合性。

The acoustical radiation power is expressed as a Hermitian quadratic form, while the radiation modes is determined by general eigenvalue decomposing, and then the radiation efficiency is computed via the orthodoxy of radiation modes with regards to impedance matrix and average velocity matrix; lastly, the validity of the method is proved by pulsating sphere and radiating cube with analytical results.

先将结构的声辐射功率表示为一个正定的厄米特二次型，运用广义特徵值分解求解了复杂结构的声辐射模态，然后利用声辐射模态关于阻抗矩阵与均方速度祸合矩阵的正交性，求解了复杂结构的声辐射效率，最后用具有解析解的脉动球与辐射立方体验证了该方法的有效性。

The detection of susceptible and resistant strain and their backcrossing heterozygosis with PCR in laboratory validate above presumption.

室内用抗性和敏感亲本及正交杂合子检测的结果验证了上述推测。

Fumed-silica surfaces were modified with resorcinol and hexamethylenetetramine complex, and NR/M-silica nanocomposites were prepared in mixing and curing process. Structure and properties of NR/M-silica nanocomposites were investigated by mechanical testing ,cross-linking density determination, transmission electron microscopy, differential scanning calorimetry, fourier transform infrared spectroscopy and X-ray photoelectron spectroscopy. The results showed that M-silica have obvious reinforcement effect on NR vulcanizate.

用间苯二酚与六亚甲基四胺络合物对气相法白炭黑进行表面改性，通过混炼和硫化制备了天然橡胶/改性气相法白炭黑（NR/M-silica）纳米复合材料，并通过力学性能测试、交联密度测定、透射电镜、差示扫描量热法、红外光谱和X射线光电子能谱等手段研究了纳米复合材料的结构和性能。

The immiscibility of heterophases of solid organic and inorganic constituents was resolved by the in situ sol-gel transition polymerization of ZnO nanofillers within PMMA in the presence of dual functional agent, monoethanolamine, which provided strong secondary interfacial interactions for both complexing and crosslinking of constituents.

混溶的有机和无机成分，通过原位溶胶凝胶聚合过渡锌有机玻璃内的双重功能驻留剂乙醇胺，提供强大的互动界面上，既络合交成分。

To a greater extent, Confucius advocated kindheartedness and justice, especially emphasized the quality of making friends and specific and sensible choice of friends.

在很大程度上，孔子提倡的是一种以文德合的仁义之交，尤其强调交友质量，对交友对象有明确而明智的选择。

We also develope the corresponding spherical harmonic-generalized Laguerre polynomial mixed spectral method and apply them successfully to computation of three dimensional problems, exterior problems and nonlinear problems.

在第二章中，我们提出了一类新的广义Laguerre多项式正交逼近，其特点是适用于更多问题并能更好地拟合微分方程真解在无穷远处的性态，从而提高了计算精度。

In order to enhance its resistance to bacterial blightand lepidopteran such as leaffolder, striped stem borer and yellow stem borer etc, we intergessed Xa21 and Bt genes into the genetic background of 93-11 by backcross scheme, combining with molecular marker-assisted selection and phenotypic selection. Through three backcross and two self generations, eight families that have homozygous Xa21 and Bt genes were obtained in the BC3F3 families. Two families show higher recovery percentage of 93-11 even up to 90.59%.

为了进一步提高其对白叶枯病的抗性、同时增加其对水稻鳞翅目害虫（如稻纵卷叶螟、二化螟和三化螟等）抗性，利用常规回交育种方法和结合分子标记辅助选择将Xa21基因和Bt基因同时导入93-11中，在BC3F3家系中筛选到8个家系含纯合的Xa21基因和Bt基因，其中有两个家系与93-11比较其遗传背景的回复率很高，达到90.59%。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失