层片

Methods Nineteen bone impacted and unerupted teeth in 18 cases selected by orthopantomograph were scanned by 3DX-CT with 1.0 mm slice thickness. Images obtained by 3DX-CT (horizontally, sagittally, coronally) were analyzed after multi-plane reconstruction and 3D reconstruction including the angle of the bone axis impacted and unerupted teeth; maximum radius of the coronal teeth; distances between the tooth and the cortical bone around; distances to the neighboring tooth roots and nerve forum canal; the thickness of the bone tissue, etc.

对经曲面断层片筛选出的18例19枚埋伏牙进行牙科三维CT检查，扫描层厚1.0mm，重建后进行图像三维断面显示（包括水平位，矢状位，冠状位），对牙位图像进行分析及测量（包括埋伏牙牙长轴的角度，牙根弯曲度，牙冠的最大径，与骨皮质的距离，与邻牙根、神经孔／管的距离；骨质的厚度、高度等）。

Methods In testing, a film of transparent and fit thickness was coved on original test-chip to exam.

在原测试片上覆盖一层厚度适中的透明薄膜再行测试。

Stromatilite A layered cushionlike mass of carbonate-rich rock formed by the actions of CYANOBACTERIA.

叠层石：由于蓝细菌的活动引起富含碳酸盐的岩石形成片层装的垫样岩石结构。

With electron microscope techniques, the cytopathological changes of the tobacco leaves infected by TMV-W and TMV-O 17 were observed.

受TMV-017侵染的烟草细胞中，叶绿体数量较少，叶绿体具双层膜结构，基粒片层排列整齐，有的叶绿体膨大，内含少量小的淀粉粒。

Cytopathological study on leaves of pumpkin infected with PRSV-W, WMV showed that there were large amount of inclusion in shape of pinwheel, lamina, and braid in the cells, and there were many linear virus particles fascicled or scattered in the cytoplasm, causing the cytopathological characters which was similar to typical potato virus Y .

对PRSV-W、WMV侵染的南瓜病叶的细胞病理学观察结果表明，在感病细胞中有大量的风轮状、片层状和条带状内含体，线状病毒粒体呈束状或散布在细胞质中，具有典型的马铃薯Y病毒属侵染寄主引起的细胞病理特征。

It is showed that the lamellar kerato plasty is a reasonable therapeutic method for pterygium and corneal dermoid tumor.

结果表明板层角膜移植可使角膜完整、植片透明、减少散光、提高视力并降低术后翼状胬肉的复发率，是一种理想的治疗方法，值得推广。

The movement and volatilization ofthe small molecular which produced by the discomposing of the SBS as well as thecontinuous degradation of SBS is also retarded. The thermo-stability and anti-thermooxidative aging properties of the composites are enhanced.

磨盘剪切力场增加了PP与有机蒙脱土的界面结合，由塑料包覆粘土片层的复合分散相具有模量梯度和结构梯度，能较好地传递应力并阻碍裂纹的扩展，提高了材料的强度。

As for XYN-OU, it could retain over 50% activity from the pH value 4.0 to 9.0 at 50°C in 30 min. The result of the mutated xylanase indicated that constructed disulphide bridge could improve its thermostability at relatively higher temperature.

对木聚糖酶分子改良的结果反映出在β片层间添加二硫键可以有效改善酶在较高温度下三维结构的刚性，提高热稳定性。

EPR study of the thermal products of these montmorillonites shows that g = 2. 14 signal relates with hydrated copper ions existing in the interlayer of montmorillonites and g = 2. 07 signal relates with Cu~(2+) occupying the ditrigonal cavities of Si-O sheet. And, the supper fine line of g ca. 2. 2 - 2. 7 suggests Cu~(2+) migrating into octahedral vaeancies.

同时，该蒙脱石热处理产物的EPR研究表明、g=2.14信号与蒙脱石层间的水合铜离子相关， g=2.07信号和g为约2.7-2.2超精细结构线分别与进入了粘土矿物Si-O四面体片复三方形孔洞和铝氧八面体空位中的Cu相关。

EPR study of the thermal products of these montmorillonites shows that g=2.14 signal relates with hydrated copper ions eXisting in the interlayer of montmorillonites and g=2.07 signal relates With Cu,occupying the ditrigonal cav- ities of Si-O sheet.And,the supper fine line of g ca.2.2-2.7 suggestrs CU migrating into octahedral vacancies.

同时，该蒙脱石热处理产物的EPR研究表明、g=2.14信号与蒙脱石层间的水合铜离子相关， g=2.07信号和g为约2.7-2.2超精细结构线分别与进入了粘土矿物Si-O四面体片复三方形孔洞和铝氧八面体空位中的Cu相关。

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。