变化点

Faraday's law is that when the flux in the conductor loop changes, it produces electromotive force in the conductor loop, and obeys to contour integral law , Maxwell Curl Theory is that when the magnetic intensity of a certain point in ether space changes, there produces electric field at that point in ether space, which is the field mutual production theory of "electric field produces magnetic field and magnetic field produces electric field" in the free space which everybody is familiar with, and it obeys differential law , Lorentz magnetic force is that when metal electrons cut magnetic lines, metal electrons forced by move along the conductor to form inductive current, in fact, it doesn't matter whether coil moves or magnet moves, only if there exists relative motion between magnetic field and conductor, metal electrons must cut magnetic lines, which is,"coil stills while magnet moves to the left" and "magnet stills while coil moves to the right" these two situations are the same, which both belong to metal electrons having cut magnetic lines.

法拉第定律指导体环路里的磁通量发生变化时，在导体环路上产生电动势，而且服从围线积分律；麦克斯韦旋度理论指以太空间某点的磁场强度发生变化时，在以太空间的该点产生电场，即大家熟知的自由空间里"电场生磁场与磁场生电场"之互生场理论，而且服从微分律；洛伦兹磁力指金属电子切割磁力线时，金属电子受力沿着导体漂移而形成感应电流，其实，无论线圈运动或是磁铁运动，只要磁场与导体存在相对运动，则金属电子必然切割磁力线，即，"线圈静止而磁铁向左运动"与"磁铁静止而线圈向右运动"这两种情况是一样的，都属于金属电子切割了磁力线。

The article applies GIS technology to monitor appearance to nod information to be a foundation with price on the foundation of traditional research technique, build price to distributing through TIN and price of spot of the appearance that monitor three-dimensional model, apply inside insert price isopleth to pursue the overlay that allows price base map with foundation with the city comes the change of range of price of macroscopical analysis city, cause the cause that the value changes, for the government efficient and reasonable use land to provide a basis.

本文在传统研究方法的基础上运用GIS技术以地价监测样点信息为基础，通过TIN和监测样点地价建立地价分布三维模型，运用内插地价等值线图与城市用地基准地价底图的叠加来宏观分析城市地价面的变化，引起价格变化的原因，为政府高效合理利用土地提供依据。

To avoid the influence of head position change and to overlap and compare the changing hard tissue under the skull reference system, this work set up a three-dimensional reference frame, which was based on point"S'"(the median point of the upper rear brim of the anterior wall of pituitary fossa), point"Na"and point"Ba"and of which point"S"is origin. UNISIGHT is used to get the original coordinates of all the landmarks in the MPR phase.

为消除矫治前后患者头位变化的影响，使治疗前后变化的上下颌骨和牙列以相对不变的颅底结构作为参照系统进行影像的重叠和对比，本研究通过头颅内的固有标志点S'，N，Ba三点确定了参考平面，建立了以S'点为原点的测量三维坐标系。

There may be more extra-landm ark noise associated with the measurement of angle NAPg than with the other thre e angles.Since change in SNA is affected by Nasion horizontal displacement,its r epresentation of Point A displacement was questionable.

除了NAPg，其它3个角度的变化基本能反映出颌骨及牙齿在矢状方向的位置改变，但SNA角的变化在一定程度上同时受N点水平向位移的影响，使其反映A点水平向位置改变的可靠性受到影响。

The concept of secondary recalescence is outlined. It is pointed out that the inflection point occurred during recalesence stage only indecates the heat requirement for dendrite remelting, while the inflection point resulted from heat release during new phase formation can be regarded as a strict secondary recalescence.

提出在冷却曲线的再辉阶段出现的温度变化拐点，只是表明枝晶熔断过程对热量的需求，只有在快速凝固阶段的冷却曲线上出现的由于新相形成而释放出潜热导致的温度变化拐点才算得上严格意义上的二次再辉。

While for the two lightning flashes with multi-striking-points return stroke in the Inland Plateau of China, the branch root of discharge channel is found to be beneath the thundercloud.

南方的多接地点回击的闪电为多次回击，回击后的K变化相对较弱；内陆高原多接地点回击的闪电为单次回击，在回击过程后跟随有长时间的云内放电过程，期间有活跃的K变化。

The surface subsidence in the Yellow River delta foreland area brings changes to the land surface height there, and the depth datum in the bathymetric survey is determined on the basis of the level of land bench mark, so the changes in the level of land bench mark will affect the determination of depth datum and the accuracy of bathymetric survey.

国家海洋局，第一海洋研究所，山东青岛 266061文章摘要：黄河三角洲前沿的陆地由于受地面沉降的影响，使地面高程不断发生变化。在水深测量中，深度基准面是根据陆地水准点高程确定的，陆地水准点高程的变化影响深度基准面的确定，从而影响水深测量的准确性。

Results Compared with that of Group HES, the extravascular lung water of Group Albumin was obviously increased in (P.05). There was no significant difference between the two groups both in PO2 and in RI at any of the time points.

结果 白蛋白组术后12、24 h 血管外肺水显著高于贺斯组（P.05）；血管外肺水两组术后不同时间点PO2的变化无明显差异；两组术后不同时间点氧合指数的变化无明显差异。

Portal vein pressure, size of spleen the collateral circulation of portal vein and the fluctuation of hematocyte counts were measured and recorded at the preconcerted time.

实验犬25只，随机分为A组(正常组，n=5)、B组(对照组，n=10)、C组(实验组，n=10)。A组仅予以剖腹探查，B组予以门静脉主干部分结扎建立模型，C组则通过门静脉主干部分结扎附加3周后脾静脉缩窄及其属支结扎的方法建立模型，建模后术前及术后每周动态观察两组动物血象的变化，B、C组在预定时间点(术后第5、第9周)分别随机选择5只动物开腹观测门静脉自由压、脾脏大小、门体侧支循环形成情况，并切取脾脏行组织病理学检查，此外，术前及术后预定时间点了解骨髓增生情况变化。

The main change of the morphology is the obvious incrassation of the soft tissue between the mentalabial sulcus and the superior cervial point.

下颌骨前徙手术较下颌后退形态变化要大而复杂，主要的形态变化是表现为颏唇沟点至颈上点间区域软组织明显增厚，颏突出度显著增强，颏部轮廓形态向正常接近。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。