The advantage and application of double direction meridian line net shell structure of fixed roof for large diameter storage tank are introduced emphatically.
重点介绍了大直径储罐固定顶盖中双向子午线网壳结构的优点及应用情况。
The double direction alternate control strategy is applied to reduce the blindness of the target selected and approved for improving the reasoning efficiency.
利用双向交替控制策略减少选择目标和证实目标的盲目性，提高了推理效率。
According to the theory of single cylindrical helical torsional spring, the cylindrical helical spring in double direction was designed to realize the test of torsion.
利用单个圆柱螺旋扭转弹簧扭转原理，给出了一种用双向扭转圆柱组合螺旋弹簧实现扭矩测试的方法。
When the equipment energy is limited, the repeated compaction and the double direction compaction are efficient ways to manufacture homogeneous and high-density powder parts.
当设备放电能量有限时，重复压实和双向压实方法是获得致密均匀、高密度粉末制品的有效途径。
YRT series cylindrical roller and thrust needle roller combined bearings, with high rotation accuracy, can support heavier radial loads, double direction axial load and inclined torque, etc.
圆柱滚子和推力滚针组合轴承yrt系列具有旋转精度高、可承受较大的径向载荷和双向轴向载荷以及大的倾覆力矩等特点。
Thurst angular contact ball bearings only bear unilateralism axial load. If single bearing loading couldn't meet request, or bear double direction axial load, it should choose bearing combine.
该类轴承只能承受单方向的轴向载荷，如果单个轴承的载荷不能满足需要，或者要求承受两个方向的轴向载荷时则选用轴承组。
Then this text analyzed from two aspects how to proceed the construction of the mathematics concept: construction of the double direction and construction from concrete to abstract to concrete.
接着从两个方面分析了如何进行数学概念的建构：双向建构和“具体—抽象—具体”建构。
It proposes method to realize map layer operation, double direction selection, database link, and analyzes amply in allusion to some technical difficulty thing and solve method in more exploiture.
给出地图图层操作、双向查询、数据库联接等功能的实现方法，并对二次开发中遇到的一些技术难点问题和解决方法进行了详细分析。
Having one direction along which double refraction of light does not take place. Used of a crystal.
单轴晶体的有一个方向的，沿此方向不发生光的双折射。用于晶体。
Having one direction along which double refract ion of light does not take place. Used of a crystal.
单轴晶体的有一个方向的，沿此方向不发生光的双折射。用于晶体。
Single-direction and double-direction angular contact thrust ball bearings (Figures 1.50 and 1.51) are used for machine tool spindles requiring rigid axial guidance.
单向和双向推力角接触球轴承（图1.50和1.51）都用机床主轴轴向刚性作为指导。
The side walls feature a double stretcher-stretcher bond that results in a pattern of diagonal perforations, following the direction of the sloping site.
侧墙以粘结在一起的双层横木为特色，形成了一种斜向贯穿的图案，顺应倾斜的基地的方向。
According to the present direction, the key to the success for Potato breeding is to obtain double haploid.
根据目前马铃薯育种方向，获得马铃薯双单倍体是马铃薯育种成功的关键。
The benefit of a double-direction list is that the observer can delink from the chain itself at any time.
一个双向名单的好处是可以从观察链本身在任何时候脱钩。
What direction DO the winDOws face? Is there enough light and ventilation? What about noise from the street? Are the winDOws DOuble glazed?
窗户的朝向？采光和通风够了吗？来自街上的噪音有多少？是否双层玻璃窗。
The design method of double-direction head of the cart reduced turning radius.
双向车头的设计方式减小了拐弯半径；
This paper analyses selectors of transverse differential current direction protection using two types polarizing voltage for double circuit lines on the same tower.
对两种极化电压下的横联差动电流方向保护的选择元件在同杆并架双回线故障下的动作行为进行了研究。
There are difference of density and hardness in iron base bushings with thin walls by single- and double-pressing process along their longitudinal direction.
铁基薄壁衬套采用单向、双向压制方法，都存在着零件的密度和硬度沿高度方向分布不均匀的情况。
The paper analyses the problems of which draft effect of double-direction dumper is not good, puts forward the corresponding measures to solve them.
针对双向自卸车通风效果不良的问题进行了分析，提出了相应的解决措施。
It comprises a double-direction cylindrical roller thrust bearing with two rows of rollers and a single-row full-complement radial cylindrical roller bearing (Figure 1.57).
它包括一个具有两列滚子的双向推力圆柱滚子轴承和单列径向滚子轴承。
Then the matching support can be calculated according to length distortion, direction distortion, gray distortion, and double faces constraint.
然后，根据影像的长度变形、方向变形、灰度变形及双向一致性条件，计算匹配支持度；
Four row circular cone roller bearings its performance and double row circular cone roller bearings basic same but may withstand the bigger radial direction load and the two axle to the load.
四列圆锥滚子轴承其性能与双列圆锥滚子轴承基本相同，但可承受更大的径向载荷和双轴向载荷。
The analytical solutions to 1D Schrdinger equation (in depth direction) in double gate (DG) MOSFETs are derived to calculate electron density and threshold voltage.
推导了双栅MOSFET器件在深度方向上薛定谔方程的解析解以求得电子密度和阈电压。
This article described the developing condition of high dip Angle belt conveyor and the double belt direction-support-pocket conveyor.
本文简述了带式大倾角输送技术的现状，并介绍了双带托容式输送机。
There are also single-direction and double-direction thrust ball bearings with spherical supporting surfaces and correspondingly shaped seating washers (Figure 1.49).
也有单方向和双向推力球轴承球形表面和带有相应的支持形座位垫圈。
These phenomena indicated that, in the KCLO3 crystal the included angles between the electric vector vibration direction of double refraction light and of the incident linearly …
这些现象表明，KCLO3晶体中的双折射光束电矢量的振动方向与入射的线偏振光电矢量的振动方向间夹角，随晶体的方位而改变。
The vibration and sound radiation from a finite stiffened double cylindrical shell driven by a point force on the shell surface in the radial direction are studied in this paper.
分析了壳体的固有模态、激励力和声辐射三者之间的关系，这为用主动控制方法降低有限长加筋双层圆柱壳的振动噪声，提供了理论依据。
Secondly, the double-object construction can be divided into two types: extro-orientational sentence and intro-orientational sentence by the moving direction of Direct object.
其次，我们根据直接宾语位移的方向将双宾句分成两种类型：外向句和内向句。
Secondly, the double-object construction can be divided into two types: extro-orientational sentence and intro-orientational sentence by the moving direction of Direct object.
其次，我们根据直接宾语位移的方向将双宾句分成两种类型：外向句和内向句。
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