After twenty minutes I looked back and saw the men disappearing over the top of the hill.

After the lapse of some time I turned back and saw a great crowd coming up behind me.

过了一会，我回转头，看见一大群人跟在我后面走来。

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Once Toad looked back and saw that two policemen had joined the chase.

有次癞蛤蟆回头瞥了一眼，看见又有两名警察加入这次追捕。

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They looked back and saw their pursuers gaining upon them.

他们回头一看，发现追赶他们的人越来越逼近了。

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I looked back and saw a man shaking head in discontent.

我回过头看到一个男人在很不满地摇头。

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After taking a round trip, I went back and saw the patterns.

溜了一圈，回到走廊处，学习那花纹的装饰。

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He looked back and saw a young girl.

他一回头，看见了一个年轻的女孩。

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He looked back and saw they were following him.

他回头看见他们正跟着他。

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Days back saw better looked saw second help.

天回更看的锯子看见第二的帮忙。

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And the difference has statistical significance ( P0.05). 5.Comparing the positive expression level of BAFF in CD19+ B cell of blood of cervical carcinoma patients between pre-chemotherapy and post-chemotherapy, found that the positive expression level of BAFF after chemotherapy is higher than that before chemotherapy.

宫颈癌患者外周血CD19+B细胞中BAFF化疗前与化疗后阳性表达比较，化疗后BAFF阳性表达高于化疗前，差异有统计学意义（P0.05）。

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BAFF is a critical survival/ maturation factor for peripheral B cells and this activity is mediated through a BAFF-specific receptor, BAFF-R. Overexpression of BAFF has been linked to autoimmune disease and aspects of B cell neoplasia.

BAFF是外周血B细胞一个关键的存活与成熟因子，它的活性通过其特异性受体BAFF-R调节，其过表达与自身免疫性疾病发生和B细胞肿瘤形成有关。

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Objective: To evaluate the B cell-activating factor of the TNF family ( BAFF) expression between normal turbinate and nasal polyp tissue and explore the pathogenesis of the nasal polyp.

目的探讨B细胞活化因子（B cell-activating factor of the TNF family，BAFF）在鼻息肉组织中的表达，进一步探索鼻息肉的发病机制。

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BAFF bind to its receptor BAFF-R ( BAFF/ BAFF-R) can promote Blymphocyte proliferation and activation.

BAFF结合其特异性受体BAFF-R（BAFF/BAFF-R）能够促进B淋巴细胞的增殖和活化。

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Objective: To investigate the correlation between the progression of HCV infection and serum B-lymphocyte activating factor ( BAFF) by detecting serum BAFF levels in HCV patients.

目的：通过检测HCV感染者血清B淋巴细胞活化因子（BAFF）水平，探讨血清BAFF含量与HCV感染后疾病进程的相关性。

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BAFF could bind to B lymphocytes and stimulate their proliferation, differentiation and antibody secretion. It is significance for promoting and regulating the survival and development of B lymphocytes.

它可特异性的刺激B淋巴细胞增殖、分化和分泌抗体，对B细胞的存活、发育、分化起到重要的调控作用。

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This thesis contains four chapters: 1. Some advances in the studies of BAFF ( B cell activating factor of the TNF family) were reviewed. 2.

本论文共分为4个部分：1.综述近年来B淋巴细胞刺激因子（BAFF）的研究进展。

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To screen single-strand DNA aptamers specifically binding B cell activating factor belonging to the TNF family ( BAFF) and identify its affinity.

本研究目的是进化筛选与B淋巴细胞活化因子特异结合的单链DNA适体并鉴定其结合力。

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B cell activating factor ( BAFF) is one of the TNF family member, regulates the survival and maturation of B lymphocyte.

B细胞激活因子（BAFF）是调节B淋巴细胞存活和成熟的细胞因子，属于TNF家族成员。

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The Role of BAFF in the Pathogenesis of the Childhood ITP

BAFF在儿童ITP发病机制中的作用

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Characterization of Human BAFF Transfected Cells and Mouse Anti-BAFF Monoclonal Antibody

人BAFF基因转染细胞及其单克隆抗体的生物学特性

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The Study of the Expression of BAFF in Chronic HBV Infected Persons and Pathological Features of Liver Tissue

慢性HBV感染者体内BAFF表达情况及肝组织病理学特点的研究

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