向性的

Once that happens, Kovacs says, you think about your compromised condition rather than the ball zinging toward you, and you lose concentration and start making unforced errors.

一旦这样的情况发生，你就会老想着自己大打折扣的身体状态而不是向你嗖嗖飞来的网球了，于是你丢失了场上的注意力进而开始制造非受迫性失误。

The general laws of evolvement show the following features:①The point and line contacts of grains decreased;②The communication degree of pore with throat increased.The grading of pore and throat got meliorative;③The total content of clay was reduced;④The wettability of rock trended to hydrophile.The distribution of remaining oil in reservoir was controlled and affected by the pore-throat-net evolvement.

研究结果表明，储层孔喉网络演化是由油藏开发流体动力地质作用所造成的，孔喉网络场的演化是动态的、持续发生的，孔喉网络场总的演化规律是：颗粒点、线接触关系减少；孔喉连通程度提高，喉道分选性变好；粘土矿物减少，各类粘土矿物相对含量变化；岩石颗粒的润湿性向亲水转化。

It put up no immobile shape ,have relative flowability , can intrude into the deep formation,selectively plug big pore pathor and high permeability formation,make the fluid turn to low permeability formation ,improve the low conformance factor caused by the nonhomogeneity ,improve the recovery ratio in big range .

它表现出没有一定形状，具有一定流动性，能进入地层深部，选择性地堵塞大孔道或高渗透层，使液流转向进入较低渗透层，改善因非均质性造成的波及系数低的问题，从而大幅度的提高油藏的采收率。

The patterns of movement of labelled photoassimilate in the phloem were qualitatively against to the movement of acid fuchin in xylem.

在韧皮部中标记的光合同化物的运输格局与木质部中酸性品红的移动是相反的，具有强烈的向基性。

These important electrical characters are possibly caused by the India plate subduction to the north. The variation in characters of the large-scale conductive bodies from west to east may be the proof that plate collision causes substance moving to the east.

这些重要的电性特征可能是印度板块向北俯冲所形成的，深部大规模的良导体特征沿东西向的差异可能是板块碰撞引起物质沿东西向运移作用的结果。

These important electrical characters are possibly caused by the India plate un derthrusting to the north. The variation in characters of the largescale condu ctive bodies from west to east may be the proof that plate collision causes mate rials moving to the east

这些重要的电性特征可能是印度板块向北俯冲所形成的，深部大规模的良导体特征沿东西向的差异可能是板块碰撞引起物质沿东西向运移作用的结果。

In this thesis, a totally new type of chiral heteropolyanion, [Sb_5_(10)Mo_5O_(26)]~(7-), has been isolated as racemic compound 1. The racemate was further resolved into enantiomerically pure crystals L-2 and R-2 by addition of organic units.

本文我们得到了一个由新的手性多阴离子[Sb_5_(10)Mo_5O_(26)]~(7-)构筑的外消旋体1，通过向外消旋体1的溶液中加入有机基团，实现了对外消旋体1的拆分得到了纯旋光活性化合物2，即L-2和R-2。

Methods Three hundred cm-long ileus tube was installed into jejunum by nasal cavity under radiophotography observation in 25 cases with recurrent postoperative adhesive ileus,ileus tube was impulsed by enterokinesia to ileum end to relieve adhesive ileus and conduct internal intestinal arrangement.

25例术后反复黏连性小肠梗阻患者，X线监视下经内置金属导丝的引导作用将300 cm长的肠梗阻导管经鼻置入空肠屈氏韧带20 cm以远，即刻小肠内抽吸减压，导管前气囊充水形成水囊，模拟食团在肠蠕动的推动下在小肠内移行，带动导管边吸引减压边向小肠远端前行，到达梗阻的直接上部抽吸减压或通过黏连部至回肠末端全小肠减压，解除肠梗阻。

The computation of sky radiance resulted from the earth's diffuse reflection is studied based on a hypothesis that a underlying surface is randomly rough. The paper gives an analysis of the method to calculate the reflectivity, average hemisphere reflectivity, and transmission in virtue of the reciprocity law from the earth's surface to the top of the atmosphere.

本文基于下垫面为朗伯粗糙表面的假设基础上，对下垫面对向下太阳辐射的漫反射作用引起天空亮度变化的计算方法进行了研究，分析了利用互易性原理计算大气反射率、半球平均反射率和透过率的方法。

Proposed a DHCM for extracting targets′tracks from 3-Dimensional (3D) data, and made a detailed performance analysis on the DHCM′s detection probability, noise rejection capability and computation burdens. Theoretical analyses indicate that the DHCM has a high noise rejection capability, and has neural network structure, hence has stronger adaptivity and robust to noise properties.

理论分析表明，该方法具有较高的噪声抑制能力，并具有神经网计算结构，因而，对噪声特性具有较强的自适应能力和稳健性。3）基于有向高阶相关的方法，提出了一种用于在红外噪声中检测、跟踪低信噪比点目标的方案。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。