双线的

The check and measure methods of Bragg angle step and precision etc. parameters with high precision autocollimation are investigated.

针对同步辐射光束线中的弧矢聚焦双晶体单色器，研究了高准确度自准直平行光管对Bragg转角的步长分辨、转角准确度等参量检测的方法。

Based on the relationship between two views indicated as 2-D projective collineation, prediction problems about points or lines from two views or three views can be solved effectively.

基于2-D射影对应所描述的视图关系，可以有效解决双视图和三视图条件下的点元素或线元素的预报问题。

The work of this article is mainly focused on the following sections: a Detailedly expatiated temperature distributing of the solid transportation section in extrusion process of the conical twin-screw extruder, helix equation and the theory about extrusion output and solutions to them etc.

本论文的研究工作主要集中在以下几个方面： 1、较为详细地阐述了锥形双螺杆挤出机挤出过程中固体输送段的温度分布方程、螺旋线方程以及挤出产量的理论求解方法等。

The theront, tomite and tiophont possess a complex oral apparatus, being composed of cytopharynx, oral rib, dikinetids and nematodesmata, without an organelle of Lieberkuhn which is considered as a synapomorphy of the suborder Ophryoglenina.

幼虫、幼体和滋养体均具有复杂的口器，由胞咽、口肋、双动基体口纤毛和线带等组成，但不具备膜口类纤毛虫所具有的独特的细胞器：Lieberkuhn氏器。

This paper presents the application of SIEWMENS S7-200 PLC and DOPA man-machine interface from DELTA in dual spooler s,giving the construction of the key control system and the design of the progra

介绍了SIEMENS S7-200系列PLC和DELTA公司的DOPA系列人机界面在双盘收线机中的应用，给出关键的控制系统结构及程序设计结构和设计。

Rigid PVC pipe production line is mainly used in the manufacture of the plastic PVC pipes with various tube diameters and wall thickness in the aspects such as the agricultural and nonstructural plumbing, cable laying etc. Thin set is composed of the conical twin-screw extruder, vacuum forming table , dragger, cutter, stirring up rack etc. The screws extruder and the extractor adopt the imported AC frequency employ the superior goods. The prime mover has the traction modes such as to claw, three-claw and so on. It may choose the saw blade cutting type or the planet cutting type. It is additionally attached with measuring apparatus and the intensifying device. The unit is of the reliable performance and high production efficiency. This company may allocate the special installation for the manufacture of the inner wall spiral coil and core ply blister tube set according to the clients requirements.

硬质PVC 塑胶管材出产线主要有阿谁与出产农用给排水、建筑给排水、线缆铺设等方面的各类管径、壁厚的塑胶PVC管材，该机组由锥形双螺杆挤出机、真空定形台、牵引机、翻料架等构成螺杆挤出机及牵引机采用进***流变频调速设置，真空泵以及牵引机电均采用优质产品牵引有二爪、三爪、四爪、六爪等牵引体式格局可选用锯片或者行星切割形式，另可计长及增厚装置，机组机能可靠，出产效益高，本公司可更具客户的要求，配备布置专用装置出产螺旋消音管以及芯层发泡管机组

We all know that an ordinary twisted-pair is from four groups of mutual entanglement of the cable connected.

大家知道普通的双绞线是由四组相互缠绕的网线连接在一起的。

The theory of current straightness measurement of 2 points equidistance is studied deeply in this paper, based on which, a new method of on line measuring of generatrix straightness for the cylindrical workpiece is presented.

本文对现行的双测头等截距测量直线度理论进行了深入的研究。在此基础上，提出了一种圆柱形工件素线直线度误差在线测量的新方法。

A sprightly woman wrings her hands as if flirtatiously sizing up a fellow resident at the nursing home; her gorgeous ruffled sleeves are made of honey-comb tripe.

阿明快的女子双绞线她的手，犹如flirtatiously打量在养老院同胞居民；她华丽竖起袖子蜂蜜制成的梳子牛肚。

In the interest of getting good performance of speed and loading capability of the micro motor, at the same time ensuring the high rotary resolution, put forward a kind of new precise rotary motor using piezoelectric stack as actuating element based on inchworm motion.

为了保证微小型电机的速度和承载能力，同时获得较高的运转分辨率，提出一种以压电叠堆为驱动元件基于尺蠖运动原理的新型精密旋转电机方案。电机结构中转子无绕线结构，定子采用柔性铰链双侧对钳方式交替对转子起到钳位作用。

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。