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Symptoms inquring,nasal respiratory,X ray,CTand MRI images were no valuable for the diagosis of chondroma.Their diagnosis was made based on pathohistology.The chondroma were often damaged in the most of the cases.Suryery is an effective method on chondroma.

鼻窦鼻咽部软骨瘤病因不明，多数学者认为可能是来源于异位的软骨胚芽及头颅软骨遗基的残余，如果只靠症状及鼻腔检查、X线摄片、 CT及MRI扫描一般不能诊断本病，病理是诊断软骨瘤的金指标，治疗则以手术为主。

There are at least two words " chow " in English, and both of them come from Chinese.

在英语中 chow 至少有两个讲法，这两个都来源于中文。

The main origins of its theoretical basis are Schoenberg's Monotonality, Bartok's Chromaticism and Hindemith's Tonal Centre.

其方法的理论基础主要来源于：勋伯格的单一调性理论、巴托克调式综合理论、兴德米特的调中心理论，这三种理论对中国近代和声技法中出现的调性、调式及调中心的和声现象具有重要的参考价值。

The antiepididymus antibodies were reacted with hasal cells or ciliated area of the epithelium.

这些来源于不育患者淋巴细胞的抗体具有抗生育效应的可能性较大，对人体具有副作用的可能性相对较小。

The name "Citrine" is derived from the French word for lemon.

这个名字"黄晶"来源于法语词的柠檬。

Many of important concepts in the theory of abstract Lie algebras come from classical theory of groups, for example, complete Lie algebras is a generalization of complete groups.

李代数的抽象理论中很多重要的概念都来源于经典群论，完备李代数便是一个例子。

For even-aged timber production, the major income is a perpetual periodic series of clear-cutting revenues p per acre, at the end of every rotation of t years.

成熟林用于木材生产，主要的收入来源于每个皆伐期t年内，每一英亩的采伐收入。

Objective To investigate the utilization of heat clearing drugsin the hospital so as to provide references for rational drug use and reasonable drug purchase.Methods The consumption of HCDs in terms of quantity and amount of money in the hospital during the period 2005 —2006 were investigated;DDDs and daily consumption sum of HCDs were analyzed using DDDs sequence analytical method.Results The sales volume of HCDs in the hospital during 2005 —2006 showed a steady increase and DDDs increased synchronically.

中成药以其体积小、服用方便、疗效确切、不良反应少等优点深受医师和患者青睐，合理使用中成药是进行有效治疗的前提，为此笔者对本院2005—2006年的中成药利用情况进行统计分析，现报道如下。1资料与方法全部资料来源于我院计算机药品管理网络系统中2005—2006年出库的清热类中成药的数量和金额，采用限定日剂量分析方法，计算药品用药频度和日用药金额。

It is an idea from statistical physics to describe continuous physical field coarsely.

态矢量的概念来源于统计物理学，是对连续的物理场进行粗粒化描述的方法。

Vegetable derived from palm oil and coconut oil.

植物来源于棕榈油和椰子油

Fancy gold-plated dangling earrings with facetted White Opal crystals.

花式镀金悬垂耳环与facetted白欧泊水晶。

This essay chooses the study aim from biology teachers in middle school in Shi Jiazhuang which tells us that most of the middle school biology teachers in Shi Jiazhuang have the"burnout", lower successfulness, individualize.

本文选取石家庄市初中生物教师作为研究对象，运用问卷调查的方法对石家庄市初中生物教师职业倦怠的现状进行调查，调查结果发现，石家庄市初中生物教师这一群体普遍存在职业倦怠，情感枯竭程度偏高，成就感偏低，去个性化程度最为严重。