重要器官

A patient with incapacitating systemic disease that is a constant threat to life.

4级：有严重系统性疾病，重要器官病变严重，功能代偿不全，已丧失工作能力，经常面临对其生命安全的威胁。施行麻醉和手术均有危险，风险很大。

Background and purpose:Precising definition of the target volumes is very important to develop optimal treatment plans that conform the prescribed dose to the target volume, improvement in tumor locoregional control and spare the uninvolved critical structures in nasopharyngeal carcinoma.

上海交通大学医学院附属第三人民医院肿瘤放疗科，上海 201900背景与目的：精确地勾画鼻咽癌肿瘤靶区是制定最佳治疗计划，降低肿瘤的局部复发率和保护周围正常重要器官的首要条件。

Abstract］ Background and purpose:Precising definition of the target volumes is very important to develop optimal treatment plans that conform the prescribed dose to the target volume, improvement in tumor locoregional control and spare the uninvolved critical structures in nasopharyngeal carcinoma.

上海交通大学医学院附属第三人民医院肿瘤放疗科，上海 201900［摘要］背景与目的：精确地勾画鼻咽癌肿瘤靶区是制定最佳治疗计划、降低肿瘤的局部复发率和保护周围正常重要器官的首要条件。

A total of 944 random clones were sequenced and compared with sequences in GenBank database.

垂体是调节生长和生殖内分泌的重要器官。

The heart is one of the body's vital organs .

心脏是人体的重要器官之一。

Weight loss in our vital organs, like our heart can kill us anorexics, like Karen Carpenter, often die of heart attacks because of cannabalized heart muscle.

重要器官如心脏重量的减轻，可以杀死我们（厌食症，象 Karen Carpenter 一样，因心肌障碍死于心脏病发作。

The second stent is placed to re-expand the compressed blood vessel and restore flow to all of the vital organs below.

第二个支架植入再扩张受压迫的血管恢复所有重要器官血流。

It was set up the treat plans of three-dimensional conformal, the common three-field and four-field plan with the method of using 6MV photos.

材料和方法对15例确诊为局部晚期胰腺癌患者，采用CT模拟定位，在三维治疗计划系统上，还原影像的摄取，建立起病变和各重要器官的空间相互位置关系，用6兆伏光子线，分别制定等中心三维适形治疗计划和常规三野、四野治疗计划。

The fleshy, movable, muscular organ, attached in most vertebrates to the floor of the mouth, that is the principal organ of taste, an aid in chewing and swallowing, and, in human beings, an important organ of speech.

舌，舌头：绝大多数脊椎动物具有的连接于嘴巴下端的多肉、能动、强壮的器官。它是主要的味觉器官，咀嘴和吞食的辅助器官，对于人类，它还是重要的语言器官

The liver is an important organ in the body where various metabolisms of exogenous and endogenous substrates are performed.

肝脏是体内物质代谢的一个重要器官。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。