前言

作者在前言中阐明了他写该书的原因。

In his preface , the author set forth his reasons for writing the book .

该书前言记述了作者生平。

The preface of the book includes an account of the author 's life .

他在前言中简要叙述了日记发现的经过。

He prefaced the diaries with a short account of how they were discovered .

随着夜色加深，他说话越来越前言不搭后语了。

As the evening progressed , he became increasingly incoherent

心情抑郁的人可能会前言不搭后语。

Depressed people may mix up their words

前言说明如何使用这本词典。

The preface explains how to use the dictionary .

这前言本身就是完整的。

The preface is complete in itself .

正式的会议总是要开整夜的时间（光是叙述国王的前言就往往要半个小时）

Formal moots take all night ( reciting the King 's introduction alone may take half an hour ) .

像“写文章”这样的待办事项是要花很长时间的，但它可以分为几个步骤，比如：写提纲，写作，修改你的前言。

A to do list item like " Write essay " is the kind of thing that will take long hours of work , but it can be broken into steps , like : write an outline , free write , revise your intro paragraph .

前言：目的：研究山茱萸叶总DNA的提取方法。

Objective : To study the extraction method of total DNA of Fructus Corni .

前言：目的尝试从市售豆类种子中提取PHA。

Objective : Try to extract PHA form small white beans which is sold in market .

前言：目的探讨颅脑损伤不典型急性硬膜外与硬膜下血肿的CT影像学特征及鉴别要点。

Objective : To discuss the atypical CT imaging characteristics of acute epidural hematoma and subdural hematoma in head injuries .

前言：目的：探讨体部表面线圈MRI对肛瘘的术前诊断价值。

Purpose : To explore the value of body surface coil MRI in diagnosis of perianal fistula .

前言：目的：研究ABO血型基因分型的意义。

Objective : To study on significance of ABO genotyping .

前言：目的：探讨胆囊颈部结石嵌顿性胆囊炎腹腔镜胆囊切除术（LC）的手术方法。

Objective : To explore the experience of treatment for calculus incarcerated cholecystitis in neck of gallbladder .

前言：目的：探讨P物质在蓝斑复合核对心血管活动的影响。

Objective : The present study is to explore the effects on cardiovascular activities by the injection of substance P ( SP ) into locus coeruleus complex area ( Lc-Sc ) .

前言：目的：探讨CT、MRI图像融合技术引导下立体定向边缘系统内多靶点射频消融治疗难治性精神病的意义。

Objective : To study the significance of Stereotactic radio-frequency ablation multi-target in limbic system for treatment of intractability psychosis by image fusion with CT or MRI .

前言：目的：研究ATP生物发光法用于肉品新鲜度检测和肉品质量评价的可行性。

Objective : To study the feasibility of meat fresh degree evaluation and meat quality estimation by ATP bioluminescence .

前言：本文重点介绍了如何减少VDSS钢板点焊时容易产生的两种主要焊接缺陷：鼓包和气孔；

This paper particularly introduces how to reduce two main welding defeat made in resistance spot welding for VDSS : blistering and gas expulsion holes .

前言：重症急性胰腺炎（severeacutepancreatitis，SAP）是一种发病急、进展快、并发症多、病死率高的严重疾病。

Background : Severe Acute Pancreatitis ( SAP ) is a sort of severe disease with the characteristics of the acute , rapid progress , many complications and high mortality .

前言：目的：探讨老年冠状动脉粥样硬化性心脏病（CHD）患者C-反应蛋白（CRP）的变化。

Objective : To investigate the changes of Creactive protein ( CRP ) in the senile patients with coronary heart disease ( CHD ) .

前言：目的：观察刺络拔罐配合TDP为主治疗带状疱疹30例的临床疗效。

Objective : To observe the clinical effectiveness of venesection and drawing-jar plus TDP in treating h.zoster .

前言：目的：探讨氟尿嘧啶（5FU）的抗血管生成作用。

Objective : To investigate the antiangiogenesis ability of5 FU .

前言：目的：探讨经颅多普勒超声（TCD）和脑电图（EEG）在结核性脑膜炎中的应用价值。

Objectives : To explore the elinical application value of transcation value of transcuanial doppler ( TCD ) and electroencephalography ( EFG ) in patients with tuberculous meningitis .

前言：目的：提高肾动静脉瘘（AVF）的诊治效果。

Purpose : To probe into the diagnosis and treatment of renal arteriovenous fistula ( AVF ) .

前言：将38例慢性阻塞性肺疾病患者（COPD）合并肺动脉高压患者随机分为治疗组（服用薤葶合剂及常规治疗）和对照组（常规临床治疗）。

Objective : To evaluate the clinical effect of Xieting Mixture ( XTM ) in improving right heart function and pulmonary hypertension with chronic obstruction pulmonary ( COPD ) disease .

前言：目的：探讨MSCT对儿童颈部囊状淋巴管瘤的诊断价值。

Objective : To evaluate the value of multislice CT ( MSCT ) in the diagnosis of cystic lymphangioma of neck in children .

前言：目的：评价N-乙酰半胱氨酸（NAC）治疗急性肺损伤和肺间质纤维化的作用。

OBJECTIVE : To evaluate the effect of N-Mucisol ( NAC ) on the treatment of acute pulmonary injury and pulmonary interstitial fibrosis .

前言：目的：对比加压钢板（CP）与髓内钉（IN）固定下骨折愈合过程的血管形成，探讨不同内固定下骨折愈合血管形成的特点。

AIM : To compare the effects of compression plate and intramedullary nail on angiogenesis in the course of fracture healing , and to explore its characteristics by different internal fixation .

前言：目的：探讨磁共振尿路成像（MRU）的影像技术，提高图像质量。

Objective : In order to discuss the technology of Magnetic resonance urinary ( MRU ) and improve quality of image .