具有重要意义

The mundificant effect of the modified radical mastectomy is the same as the Halsted root governing skill , after enhances the patient technique the quality of life and the maintenance artistic body contour have the vital significance.

1%，Ⅱ期为52。 3%，Ⅲ期为32.2%。结论：乳腺癌改良根治术根治清扫效果与Halsted根治术一样具有彻底性，且提高患者术后生活质量及保持较美观的身体外形具有重要意义。

Fan-delta reservoir is one of important reservoirs in Meso-Cenozoic nonmarine basins China. It is significant to establish the relevant sequence stratigraphy method for evaluating and predicting fan-delta reservoirs.

扇三角洲储层是我国中、新生代陆相盆地重要油气储集层系类型之一，建立相应的层序地层学研究方法对于评价和预测扇三角洲相储层具有重要意义。

The genetic divergence and phylogeny of 23 species Passerine oscines were assessed by mitochondrial DNA sequence comparisons in this study using 23 species(20 species from this study and 3 species download from GeneBank) from 7 songbirds families and one outgroup representative.

雀形目是鸟类中最大的类群，也是分布最广和最常见的类群。其中大多数种类在消灭农林害虫、维持自然界生态平衡中有重要贡献。因此，对其进行研究对认识和保护鸟类具有重要意义。

Since photochromic ma-terials have extensive application prospect in science, technology, and daily living, studieson photochromism are very important.

由于光致变色现象在科学技术和日常生活中具有非常广泛的实际用途，因此对光致变色的研究不仅在理论上，而且在实际应用上都具有重要意义。

Fraction of Photosynthetically Active Radiation is a key parameter in the study of such topics as ecological system function and global changes, and hence it is important to estimate FPAR accurately.

光合有效辐射分量(Fraction of Photosynthetically Active Radiation，FPAR)是进行生态系统功能和全球变化研究的重要参数，准确估算FPAR具有重要意义。

The novel optical switch scheme has very important meaning for the research and practicalization of 2D MEMS optical switch.

通过本文的研究，采用镍铬金材料制作的金属微镜单元具有良好的光学性能和机械性能，能够实现光开关功能，对2D MEMS的研究及其实用化，具有重要意义。

Eventually, to reconsolidate and re-definite these concepts are a deadly demand for exchanging and discussing in the future.Lastly, summarily the thesis points out some cardinal factors and existing issue. On the base of understanding concepts, it advances many constructive suggestion.

三、总结。指出本文揭示了新时期文艺学发展的一些重要原因和存在的问题，重新解读了某些概念，并提出了一些建设性的意见，对于认识新时期文艺学研究的状况，推动当代文艺学研究的发展，建设中国的文艺学都具有重要意义。

Ruppia maritime is an important elementary producer in the inshore ecosystem. Understanding its ecological characteristics is significant to restoring the degenerated and polluted coastal wetland ecosystems.

川蔓藻是近海生态系统中重要的初级生产者，了解它的生态学特征对于河口海岸带的生态修复具有重要意义。

Principle of least squares,digital image segmentation,digital image treatment and digital image identifying were applied into the research of wood science in this research,the wood cell image of annual ring from annual center to wood edge was analyzed,the modified level set method was applied to segmentate cell image precisely for the first time,the identifying of wood cells and hexagon simulation for wood cells were accomplished with active contour model,which had important potential application value in deepening the research of wood properties to a further step,moreover,had an important significance for improving comprehend on wood micro-properties and enlarging the applicable range of wood.

本研究将最小二乘原理、数字图像分割、数字图像处理、数字图像识别应用于木材科学研究，分析了从年轮中心到木材边缘的年轮的木材细胞图像，应用改进的水平集方法准确分割细胞图像，应用活动轮廓模型完成了对木材细胞的识别，并完成了木材细胞六角形仿真，对木材材性的深入研究等领域中有重要的潜在应用价值，对提高木材对微观性能认识，扩大木材的适用范围，具有重要意义。

Hypoxia and carbon dioxide retention induce multiple organ failure contributed mostly to the changes of sero - enzyme in patients with chronic cor dis- ease.

结论缺氧和二氧化碳潴留引起的多脏器损伤是肺心病急性期血清酶变化的重要原因；伴发病是酶学变化的次要原因，但具有重要意义。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。