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Origin, developmental changes and homologies of the stage morphostructures were considered according to their location in three morphogenetic fields. The first, or central, field forms at the prodissoconch I stage. It can be inherited by prodissoconch II and nepioconch stages in one taxa, or PD-II, N and dissoconch stages in others. The second, or postero-dorsal, field appears at the N stage, and the third field, or antero-dorsal, at the D stage.

主要对3个形态发生区域的阶段形态结构的起源、发育变化和同源性做了研究，其一，即中央区域，开始形成于前双壳I期，在某个分类单元它可以在前双壳II期和幼贝期形成，而在其它分类单元则在前双壳II期、幼贝期和双壳期形成；第二区域，即背部后区，在幼贝期出现；第三区域，即背部前区，出现于双壳期。

There were no difference in the appearance of parotid sialography in the 0 and the ≥60 age group. Conclusions: The pathological changes of the parotid duct in SS could be divided into 6 stages, ie, normal appearance of parotid duct, early stage of pathological changes of terminal ductules, late stage of pathological changes of terminal ductules, pathological changes of parotid trunk and branches of parotid duct, early-stage of gland atrophy, late-stage of gland atrophy.

60岁和≥60岁两组SS患者的腮腺造影表现经统计学处理无显著性差异、结论：SS患者腮腺导管病变可以分为腮腺导管形态正常期、末梢导管病变早期、末梢导管病变晚期、分支导管及主导管病变期、腺体萎缩早期及腺体萎缩晚期等6期。

They are stage of clean operative cavity, stage of mucous competition and stage of complete epithelization. Proper local care in each stage is essential to the whole curable effect of FESS.

提出对术后各阶段进行正确的局部处理是保证手术整体疗效的重要组成部分。

Abstract］ objective to discuss the influencing factors of healing up of anastomosis between traditional and morden ideas and question the more reasonable method of intestinal tract preparation in stage one operation.methods twenty-six patients with colon cancer were divided into 3 groups:colostomy group（8 cases）,washing group (9 cases) and suction group (9 cases).all the patients underwent colectomy plus stage one anastomosis and exteriorization with different interoperative preparation with which we compared the healing up of anastomosis within the three groups.results there were 3 cases having fistula in the colostomy group （8 cases）;one case in the washing group,but all the patients in the suction groups gained stage one healing up.conclusion as a method of emergency interoperative peparation,stool suction has a better healing up of anastomosis than colostomy and washing;it is advantageous to observe the healing up of anastomosis through colectomy plus stage one anastomosis and colon-outlying.

目的 探讨影响吻合口愈合因素的传统与现代观念并进一步探讨一期手术中更为合理的肠道准备方式。方法 26例降结肠癌分为造瘘组（8例）、冲洗组（9例）和粪便吸引组（9例）三组，术中分别采用3种不同方式行紧急肠道准备，所有病人均采用结肠切除一期吻合加外置的方法，对比观察三组病人的吻合口愈合情况。结果造瘘组（8例）有3例发生瘘，冲洗组有1例发生瘘，粪便吸引组全部一期愈合。结论粪便吸引作为一种术中紧急肠道准备方法，其吻合口愈合情况优于前两组；结肠一期吻合加外置的方法有利于观察吻合口的情况。

Seedling stage to tasseling stage and tasseling stage to maturity stage were the absorption fastigium to plant.

苗期～抽雄期及抽雄期～成熟期是作物吸收养分的高峰期。

In ovary, PNA receptors appeared in the oocyte cytoplasm of second phases of oogenesis; the positive granules gradually increased from third to forth phases, and they exhibit a maximum expression before vitellogennic stage in cytoplasm of oocyte; from vitellogennic stage to chorionation stage, the positive granules gradually reduced. Binding sites on follicle cells were changed with their morphological variation in every stage of oogenesis.The staged and specific expression of oncogene c-kit, the tyrosine-kinase receptor, is closely related with gametogenesis.

2在中华蚱蜢卵子发生的早期，PNA受体是由卵母细胞自身合成；在卵黄发生前的准备时期，卵母细胞质中的PNA受体一部分来源于自身合成，另一部分则来源于滤泡细胞，而糖复合物的大量出现可能直接与卵黄发生有关；卵黄发生期PNA受体的减少可能是在卵黄物质形成中部分发生了修饰；卵黄和卵壳的相继形成过程中，阳性反应的出现说明PNA受体参与了卵黄膜及卵壳的形成，而这些受体物质是由滤泡细胞分泌的。

According to the request of qualitative processing and functional processing,the GP will comprises leaf redrying stage, strip initial handling stage, cutting stage and smoking tobacco blending stage.

根据品质性加工和功能性加工的要求，将分组加工的工艺流程分为打叶复烤、烟片处理、制叶丝和比例掺配四个阶段，并分阶段进行烟草模块、过程控制的设计，以提高烟草模块的个性化特征或通用性要求。

This paper, based on the structures and characteristics of the cloud system on satellite image, classifies the evolusion of this typhoon into 4 stages-the developing stage, the landing stage, the merging stage of typhoon clouds with cold front clouds to the north and the changing stage of typhoon clouds to extra-tropical cyclone clouds.

本文按卫星云图上显示的9711号台风云系演变特徵，将9711号台风活动过程分为四个阶段，即发展加强阶段、登陆阶段、台风外围云系与北方冷锋云系合并阶段及台风云系向温带气旋云系演变阶段。

Influenced by tectonic movement, there were no sediments in the area from Oligocene to Miocene. Appearance of marlite in the Pliocene, especially in Yaqueling region, proved localized depositing environment forming, for which there had only few amount of terrigenous matters to supply. Sedimentary facies association of alluvial fan, fan delta and inland lake appeared at the early and middle stage of lower Pleistocene, and association of fan delta and inland lake appeared at the later stage of lower Pleistocene and the early stage of middle Pleistocene. Net-veined laterite appeared at the top of lacustrine deposit, which reflected pedogenesis taking place after the end of deposition. Such evolution history proves that there had no lager river system traversing this area before the early stage of middle Pleistocene.

对于江汉盆地西缘宜昌地区来说，其沉积及古地理演化表现为：早白垩世为受天阳坪断裂控制的内陆湖泊沉积环境，沉积中心在天阳坪断裂的北侧，此时几乎不存在来自黄陵地区的水系；晚白垩世同样为受断裂控制的内陆湖盆环境，但湖盆面积扩大、断裂活动减弱，且后期出现成化湖相沉积；第三纪早期盆地由断陷盆地转变为坳陷盆地，同时石膏的出现代表了局限咸化湖盆的存在；渐新世—中新世，受构造影响，缺失该时期的沉积；上新世时在鸦鹊岭一带出现的泥灰岩沉积反映了陆源物质供应不足的局限沉积环境的存在；早更新世早中期为冲积扇—扇三角洲—内陆湖泊沉积，早更新世晚期—中更新世早期为扇三角洲—湖相沉积，后期出现沉积结束以后的网纹红土化作用。

Firstly, it would describe the meanings, feature（threatening, complex, uncertain, emergent, ambiguous and newsy）,development （incubate stage, acute stage, chronic stage and resolution stage）of crisis management and several kinds of campus crisis. Secondly, it would comment the basic conceptions of crisis management. Thirdly, it would introduce the meanings of campus crisis and explain campus crisis management. Finally, the author would attempt to construct the mechanism of campus crisis management and offer some suggestions to education and hope to promote the competence of campus crisis management, let the students learning with safe and growth with health.

首先：系在说明危机的意义、特性（威胁性、复杂性、不确定性、急迫性、双面性以及新闻性）、发展阶段（潜伏期、爆发期、后遗症期与解决期）与各种校园危机之类型；其次，阐述危机管理的基本概念：第三，介绍校园危机之意义以及解释何谓校园危机管理；最后，笔者试图建构一个校园危机管理机制供教育界参考，期能提升校园危机管理能力，让学生在校园中能平安学习与健康成长。

The changes of the HAF after liver injury may be related to the volume of blood loss, the intraabdominal pressure and the pneumoperitoneum duration.

肝撞击伤伴失血后肝动脉血流量的变化与失血量、气腹压力以及气腹持续时间等有密切联系。

Reneging on our commitments to the world's poor cannot be an austerity measure, she said.

放弃我们给世界上的穷国的承诺不能成为一种紧缩措施。