The midpiece of spermatozoon is short. The proximal centriole and distal centriole are perpendicular to each other.

1、

The distal centriole divides into nine columns, each of which adheres to the inner side of every segmented column.

每条柱状结构分别依附于每一条节柱与外周致密纤维连接处的内侧。

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2、

At the center of the distal centriole there is central fiber of axoneme and two internal robs.

在远端中心粒的中央有轴丝的两条中央微管和两条内棒（internal robs）。

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3、

A satellite body is found at the basal part of the distal centriole.

中心粒为中空的圆柱形，具有卫星体结构。

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4、

Discussion about the correction for centring of engineering control network

工程控制网测站归心改正的有关问题探讨

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5、

This paper analyzes and discusses the construction, working principle and characteristic of general four jaw chuck and centring four jaw chuck by bracing inside diameter for vertical lathe for rough turning of the frame once.

论述立式车床粗车一次机座用的通用四爪卡盘和撑内径定心四爪卡盘的结构、工作原理及特点。

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6、

Centring attachment for machine tools non-centering telemotor

定心附件，用于机床非定心式遥控电动机

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7、

Laser centring device for X-Radiography

X射线照相用激光中心指示器

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8、

The structure, principle and application of a simple centring device used for the sharpening of hob cutters are described.

介绍了用于刃磨齿轮滚刀的简易对中装置的结构、原理及使用方法。

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9、

A Simple Centring Device for the Sharpening of Gear Hob Cutters

简易刃磨齿轮滚刀的对中装置

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10、

A centring device is arranged at the bottom of the matrix transfer ring.

胎体传递环底部安装有对中装置。

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11、

The setting range can be extended by removing the centring sleeve.

拆卸定心套筒后会扩大调整范围。

provided by jukuu

12、

Group Testing Problem on B-d Model

关于B-d模型的群试问题

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13、

Objective To study the related factors for B-D test positive results and make the appropriate strategies.

目的总结B-D试验阳性结果影响因素，制定相应的对策。

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14、

METHODS The B-D test and biological monitoring were used.

方法使用GETINGE全自动清洗消毒器+安必洁3M低泡多酶消洗液对污染物品进行清洗消毒，并通过B-D试验、生物监测。

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15、

B-D试验阳性结果相关因素分析

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16、

Firstly, working process of pattern matching is introduced, and B-M algorithm is analysed, and main disadvantages are pointed out.

首先介绍了模式匹配技术的工作过程，接着分析了B-M匹配算法，进而指出了该技术存在的主要缺点；

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17、

The research on bainite-martensite ( B-M) spheroidal graphite cast iron

贝氏体马氏体（B M）球墨铸铁的研究

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18、

The Extension of B-M Integral Formula of Type I in C~ n

C~n空间中的第Ⅰ型B-M积分表示的拓广

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19、

Primary Analysis on 1.4% C Steel by Martensite Phase Transition Phenomenological B-M Theory

用马氏体相变B-M表象理论对西山关系的初步分析

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20、

541 galaxie formed an obvious sequence along a diagonal of the two color diagram ( B-V)_T~ o ( U-B)_T~ o. This can be explaned by the different mixture of stellar population, which made up the galaxies.

541个星系在（B-V）T~O-（U-B）T~O两色图上沿一条对角线形成一个明显的序列，这可以从组成星系的红兰星的混合效应得到解释。

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