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According to the identification of fossil woods, it shows that they all belong to Araucarioxylon, with the stage age of Qixia, though there are some anatomical differences among them; Following two mathematical clustering analysis methods-analysis of variance and CSDM curve, metrical numerical values are quantitatively analysed, then, skew value of curve and its relationship with leaf longevity are showed.

经过鉴定研究认为，本区的木化石均属于松柏类中的南洋杉型木属，为栖霞阶化石；应用方差分析、CSDM曲线相关分析等数学聚类分析方法，对木化石标本的测量数据进行了定量分析研究，探讨了曲线偏差值与叶寿命的关系，认为本区二叠纪木化石均为常绿树种-南洋杉型木，但有可能存在落叶树种，且生长年限有较大差异。

Grasping skilly the anatomical relation of Calot triangle, determing the suitable operative opportunity, improving operative process are crictical to prevent injury of bile duct.

熟练掌握Calot三角解剖关系，把握恰当的手术时机，规范手术操作是预防胆管损伤的关键。

Objective To investigate the surgical approaches to the sphenoid sinus with anatomical methods.

目的 对开放蝶窦手术入路的不同方法进行比较，为蝶窦手术提供临床解剖学标志。

Objective: To provide anatomical parameter and clinical experience for transnasal endoscopic surgery on sellar area of sphenoid sinus.

目的：为经鼻内窥镜蝶窦鞍区手术提供解剖学参数和临床经验。

This technique may become useful in the evaluation of anatomical defects associated with female urethral sphincter deficiency .

这一技术有可能成为有用的评价解剖缺陷与女性尿道括约肌缺陷。

Fetal development of the female external urinary sphincter complex : an anatomical and histological study .

胎儿发育的女性外部尿道括约肌复杂：一个解剖学和组织学研究。

This study give the anatomical relationship between spinous processes and vertebral pedicle,and provided a new anatomic location for transpedicular operation.

该研究揭示了棘突与椎弓根的解剖关系，为经椎弓根手术提供了一种新的解剖学定位方式。

With the methods of hydroponics and paraffin dissection, influences of main-functional allelochemicals derived from the leachates of Ageratina adenophora Sprengel on anatomical structures of upland rice seedling root tips were investigated in this paper.

采用营养液培养法和石蜡切片技术，研究了紫茎泽兰淋溶主效化感物质对旱稻幼苗根尖解剖结构的影响。

Anatomical landmarks for the central approach to internal jugular enous catheterization begin at the apex of the triangle formed by the heads of the sternocleidomastoid muscle and the claicle.

颈内静脉穿刺的起始步骤是决定解剖学标志：由胸锁乳突肌的头端和锁骨所形成的三角的顶点。

ObjectiveTo p rovide the anatomical basis of local inj ection therapy for stenosing tenovaginit is in the styloid process of radius.

目的：研究桡骨茎突狭窄性腿鞘炎封闭疗法的解剖学基础，以提高疗效。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。