查询词典 secondary axis

First, normalized polar coordinate translation is carried out in the shape region with an origin at the middle of the region and a polar axis of the longest region orientation axis. Then, interval operations are defined between inner point intervals of the region at the same orientation.

该算法首先以形状区域的中心点为极点，区域的最长轴方向为极轴，对形状区域进行归一化的极坐标变换；然后定义了同一角度对应的区域内点区间之间的运算；最后定义了两个区域归一化极坐标变换结果在区间运算下的相似度函数，用以表征两个区域之间的匹配度。

In ordinary drift tests, a single gyro spin axis is allowed to tumble about the polar axis, but this measures only part of the drift torques caused by elastic distortion.

作为漂移测试的一种方法，一般只对陀螺作主轴的极轴翻滚，因而只能测定弹性变形漂移力矩中的一部分。

Based on the analysis of application of numerical control worktable, the design requirements for a virtual axis NC worktable are presented. A new three-translation and one-rotation 4-DOF parallel robot mechanism is constructed according to the design requirements and it acts as the primary mechanism of the virtual axis worktable.

在数控工作台应用分析的基础上，提出虚拟轴数控工作台的设计要求，构造一种新型3平移1转动的4自由度并联机器人机构，并将其作为虚拟轴工作台本体机构。

In order to get the largest possible field of view, low magnification eyepiece multi-use wide-angle eyepiece, depending on the field in general is greater than 3 °, FPA Office for aiming with the reticle with its optical axis to remain parallel with the primary mirror optical axis.

通常为口径小于10厘米的折射望远镜。为了得到尽量大的视场，目镜多选用低倍率的广角目镜，视场一般大于3°，焦平面处装有供瞄准用的分划板，它的光轴要与主镜光轴保持平行。

When the tongs installs on the machine bed principal axis, the tongs install the to should have the enough match accuracy with principal axis cowgirl surface, and guarantee the gearing the stability dependable.

当夹具体在机床主轴上安装时，夹具安装基面与主轴相应表面应有足够的配合精度，并保证安装稳定可靠。

The tongs all passes in the machine the gearing on the bed what tongs the gearing on realizes with superficial contact in the cowgirl on the bed in machine or matches.when the tongs installs in the machine bed work on the stage,the center of gravity of the tongs should be as far as possible low,center of gravity the more high an accepts should the dint is more big,the tongs bottom four directions should bulge,make its contact good,or the bottom establishes four a feets.when the tongs installs on the machine bed principal axis,the tongs install the to should have the enough match accuracy with principal axis cowgirl surface,and guarantee the gearing the stability dependable.

夹具体在机床上的安装都是通过夹具体上的安装基面与机床上的相应表面的接触或配合实现的。当物流设备需要的公司体在机床工作台上安装时，夹具的服装厂应尽量低，重心越高则支承面应力越大，夹具底面四边应凸出，使其接触良好，或底部设置四个支脚。当夹具体在机床主轴上安装时，夹具安装基面与主轴相应表面应有足够的配合精度，并保证安装稳定可靠。

Motion synchronization between tool in X direction and principal axis rotation was controlled by electronic gearbox in cam turning. And profiling mechanism could be superseded by servo tool-holder. Linear motor direct drive servo tool-holder was designed, and host-slave control system with PC and DSP was developed for the require of high-speed and realtime servo. The technical process was analyzed in cam turning. Servo tool holder with tool swinging and principal axis variable rotate speed were presented to keep constant cutting angle and speed.

将电子齿轮箱用于凸轮车削加工系统的传动，以伺服刀架取代了传统加工的靠模装置，实现了刀具X方向直线运动与机床主轴转动的同步控制；设计了直线电机直接驱动的伺服刀架及基于PC与DSP构成的上—下位机控制结构，采用DSP进行实时控制以满足高速伺服需要；对凸轮加工过程的工艺特点与恒角度、恒速度车削进行研究，提出了具有刀具摆动功能的伺服刀架与机床主轴变转速运动方案。

The orthographic projection of thread will produce when the axis of thread is vertical to optical axis, which can reflect the real shape and size of thread, but the experiment and calculation show that the spiral line of thread will shield part of the teeth contour in projecting plane, and so to cause a projection with flaw.

当线的轴是垂直的时候，线的正字法发射将会生产对光学的轴，能反映真正的形状和线的大小，但是实验和计算表演线的螺旋形线将会在突出的飞机中保护牙齿等高线的部份和如此用缺点引起发射。

Errors propagation analysis of single-axis rate and three-axis position turntable［J］.

单轴速率三轴位置惯性测试转台误差及传递分析［J］。

The quasi linear dependence of Raman shift upon fiber strain was first used to measure the residual thermal strain along the fiber axis.Then the same dependence was used to determine the fiber strain during pull-out test.Finally the distribution of striain along the fiber axis was converted to the distribution of interfacial shear stress.

利用纤维拉曼峰波数偏移与纤维所受应变的近似线性关系，首先测定纤维热残余应变的分布，随后对伸出玻璃基体外的纤维段施加给定的拉伸应变，沿纤维轴向用拉曼光谱术逐点测定基体内外纤维的应变，最后依据力平衡原理将应变分布转换为界面剪切应力沿纤维轴向的分布。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。