层片

Fig2 Histological changes of the grafts from control group4wk after transplantation,showed retaining parakeratosis,hyperk-eratosis and acanthosis etc ×200

图2 移植后4wk对照组移植皮片组织学改变，示保留角化过度、角化不全、棘层肥厚等略

Fig3 Histological changes of the grafts from AK auto Ab group4wk after transplantation,showed acanthosis was reduced,parakeratosis and hyperkeratosis was disappeared ×200

图3 移植后4wk AK auto Ab注射组移植皮片组织学改变，示棘层肥厚变轻，角化过度、角化不全消失略

He had two pieces of bread thickly paste d with butter.

他吃了两片涂有厚厚一层奶油的面包。

The results show that the interlamellar spacing of pearlite is decreased progressively during the cold drawing.

试验结果表明，随着拉拔变形应变量的增大，珠光体片层间距逐渐减小，钢丝强度随之升高。

The number of chloroplast and basal granule s and basal granule layers of leaf of grape in greenhouse were higher in pergola and onto layer in vertical trellis system than under layer in vertical trellis system.

葡萄棚架叶片和篱架上部叶片的叶绿体数、基粒数、基粒片层数明显高于篱架下部的叶片。

The point, made with phallic overstatement , was unavoidable.

这幢高101层的建筑物15年前在这片当时还是沼泽地的土地上开始破土动工。

This paper introduced principle, flow, process of catalytic platelets of photoetching in the integral catalyst bed with high precision mould of dual-face self-aligner and standard MEMS photoetching technology.

采用自主设计研制的高精度双面自对准光刻模具和标准MEMS 光刻工艺技术研制出整体式层板催化剂床板片，简要介绍了光刻工艺原理、工艺流程和工艺过程。

The invention discloses a method to integrate single CMOS with bulk silicon microelectromechanical system, its technical project: 1 forming isolating groove: adopting deep-groove etching, and SiO2 and polycrystal silicon filling to realize the insulation of MEMS structure and CMOS circuit; 2 making standard CMOS circuit; 3 using SiO2 and Si3N4 as mask, etching silicon on the back until exposing SiO2 at the bottom of the isolating groove, to complete the thickness control for MEMS silicon structure layer; 4 completing metalizing the CMOS circuit and masking the MEMS structure: MEMS structure region uses Al as mask and CMOS circuit region uses thick photoetching glue as mask, using DRIE to release silicon structure.

本发明公开了一种将单片CMOS与体硅微机械系统集成的方法，其技术方案为：1形成隔离槽：采用深槽刻蚀，SiO 2 和多晶硅填充，实现MEMS结构和CMOS电路的绝缘；2完成隔离槽后进行标准CMOS电路的加工；3用SiO 2 和Si 3 N 4 作掩膜，从背面腐蚀硅，直至暴露出隔离槽底部的SiO 2 ，完成MEMS硅结构层的厚度控制；4完成CMOS电路金属化和MEMS结构掩膜：MEMS结构区用铝作掩膜，CMOS电路区用厚光刻胶作掩膜，用DRIE释放硅结构。用本发明方法不仅获得了较大的质量块，而且用本发明较高的深宽比制作出的结构电容，同时实现了体硅微机械与CMOS电路的集成，显著提高MEMS传感器的精度和稳定性，具有前沿性和重要实用价值。

Back then, chip designers considered it risky to add two or three layers of metal on top of the silicon wafer because each new layer added hills and valleys that made it difficult to keep photolithographic patterns in focus.

当时的晶片设计者认为在矽晶圆上加上两三层金属有点冒险，会使晶圆表面凹凸不平，增加光刻过程中聚焦的困难。

Objective To study the ideal ablation depth for harvesting sheets of photoreceptor cells from retina by using the excimer laser with PTK (phototherapeutic keratectomy,PTK) mode.

目的 探讨PTK切削方式下，准分子激光切削视网膜制备理想感光细胞片层所需的最佳切削深度。

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。