优缺点

The basic principles and main techniques of image data compression are presented in this article. The zerotree coding method and zero filling of rectangular block coding method are compared.

本文首先介绍图像数据压缩的基本原理和几种常见的图像压缩编码方法，比较了零树编码方法和矩形块填充编码方法的优缺点。

In addition to particular introduction of the ANSYS optimal analysis technique's fundamental、basic concepts and optimal analysis flow, the paper also compares the merits and flaws of zero order and first order optimal analysis method.

详细介绍了ANSYS优化设计技术的基本原理、基本概念，以及优化分析流程，比较了零阶优化分析方法和一阶优化分析方法的优缺点。

Combustion control methods in common use includes zirconium oxide oxygen measuring analysis, heat value analyzer, multiple-object expert optimizing, and fuzzy control and so on, each of which has some excellences and disadvantages.

常用的燃烧控制方法包括氧化锆残氧分析、热值分析仪、多目标专家寻优、模糊控制等，这些控制方法各有优缺点。

It is pointed out that the introduction of agrobiological environmental engineering means into phytoremediation greatly improved the relative efficiency.

介绍了植物修复技术的概念、内涵、研究方法等，探讨了植物修复技术的优缺点和控制因素，指出农业生物环境工程手段的引进将有可能大幅度提高植物修复污染土壤的相对效率。

Objective: To research adventage and disadventage of different methods,that repaired nasal alar defect for raised operating effects.

目的：探索鼻翼缺损各种修复方法的优缺点。

The technological process in preparation of the delafossite structure p-TCO thin films by sol-gel method is discussed systematically. The relative advantages and disadvantages of the systems of sol about organic alkoxide and inorganic salt are analyzed, and further development are discussed. It is pointed out that sol-gel method is an effective and feasible means to prepare p-TCO thin films.

本文介绍了铜铁矿结构p-TCO的结构特性以及溶胶凝胶法的基本原理和特点；系统地介绍了溶胶凝胶法制备铜铁矿结构p-TCO薄膜的工艺；分析比较了有机醇盐、无机盐溶胶体系的优缺点；最后讨论了进一步的发展方向，指出溶胶凝胶法是一种高效可行的制备p-TCO薄膜的方法。

In this thesis, some novel fluoro-containing alkoxyl metallophthalocyanines asphotosensitizers for the treatment of cancer were designed and synthesized; some of theirproperties related to photosensitizer such as spectra properties, photooxidation ability, DNAphotocleaving ability, and photodamage on tumor cells in vitro were studied.

论文在比较了目前用于光动力作用光敏剂的优缺点的基础上，设计、合成了含氟烷氧基取代的金属酞菁衍生物，并对它们的光谱性能、光氧化性能、对DNA的光敏切断性能及对离体细胞的光动力损伤作用进行了研究。

On the basis of analyzing and comparing with several auto-focus searching algorithms, an ameliorative method based on mountain climb servo was proposed.

分析比较了自动对焦技术中常用的几种搜索方法的优缺点，提出了针对爬山法的改进方案。

Three methods of physical modification,calcification and amidation were used to improve the rigidity of oxidized wax,and their technical conditions,advantages and disadvantages were studied and summarized respectively.

通过物理改性、钙化、酰胺化3种方法来提高氧化蜡的硬度，研究了其工艺条件，讨论了3种方法的优缺点。

Three methods of physical modification, calcification and amidation were used to improve the rigidity of oxidized wax,and their technical conditions,advantages and disadvantages were studied and summarized respectively.

通过物理改性、钙化、酰胺化3种方法来提高氧化蜡的硬度，研究了其工艺条件，讨论了3种方法的优缺点。采用模拟燃煤烟气方法，研究了石灰湿法燃煤烟气脱硫过程中CO2钙化问题，指出了烟气脱硫过程中CaCO3的生成量与脱硫液初始pH值、SO2初始浓度、温度的关系，得出抑制CaCO3生成的条件，为减缓石灰湿法燃煤烟气脱硫存在的结垢现象，对石灰湿法燃煤烟气脱硫系统的实际应用具有一定的指导和借鉴价值。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。