主轴

The study establishes the compression of models and algorithms for vector graphics data on different basis, including on the basis of vector graphic factors of B spline curves in predecessors research; on the basis of rectangle graphic factors in main axis mode; on the basis of the application of Hough transform to polygonal line, ellipse and circle, so the study improves the models and algorithms of compression for vector graphic data.The compression for vector graphic data mainly studies the data of storing graphic factors.

本文研究的内容是：根据对以往各种曲线矢量数据压缩模型与算法的研究，建立了基于B样条的曲线矢量图形要素的数据压缩模型和算法；在前人研究的基础上，建立基于主轴模式的矩形图形要素的数据压缩模型和算法；本文作者将Hough变换应用到折线、圆及椭圆图形要素的矢量数据压缩上，在此基础上改进了基于Hough变换的折线、圆及椭圆图形要素的数据压缩模型和算法。

Power of the lathe, and rigid, and a wide range of spindle speed for a strong or high-speed cutting can be turned face, cylindrical, inner hole, as well as the metric system, English, modulus, diametral pitch a variety of threads, and bear the drilling, sets of materials, technology, etc. Boring.

本车床功率大，刚性强、主轴调速范围广，适用于强力或高速切削，可以车削端面、外圆、内孔以及公制、英制、模数、径节各种螺纹，并可承担钻孔，套料、镗孔等工艺。

Trees to 18 m tall; inflorescence a panicle of (2 or)3-5 umbels, with an evident primary axis 1-4(-5.5) cm.

乔木给18米高；花序一(2或)3-5伞形花序，具一明显主轴1-4(-5.5)厘米的圆锥花序 12 D。

Countering the serious wear on plain bearing bush of the primary lathe axis supporting,and the reducing of working precision,change to the ball bearing ,thus increase the working precision of the product.

针对原车床主轴支承滑动轴承轴瓦严重磨损，加工精度降低，改用滚动轴承支承法，从而提高了产品的加工精度。

Inflorescence a large terminal panicle with elongate central axis; primary branches simple or branched, bearing short dense racemes of paired spikelets; racemes fragile; rachis internodes and pedicels slender, ciliate.

花序一大的顶生圆锥花序具拉长主轴线；主枝单一或分枝，承担配对的小穗的短紧密总状花序；总状花序脆的；节间的轴和花梗纤细，纤毛。

It depends on the increment of invariants of the stress, and therefore is independent of the rotation of the principal axes of stress.

使用张量函数表示定理，给出了内变量演化方程的一般表达式，它取决于应力不变量的增量，因而与主轴旋转无关。

The first one analyzed composing and working principal about low speed control system of principal axis.

第一部分，对主轴低速控制系统的构成及工作原理进行分析。

The effects of ground microtremor to the stability of the soil, and the relationship to the stability of the soil and principal axis have also been studied.

本文研究了土介质的各向异性对土动力特性的影响，研究了场地微动对土体稳定性的影响及其与各向异性主轴的关系。

After TG repair of promote a machine principal axis up to now normal usage...

经天工修复后的提升机主轴至今正常使用。。。

This article introduces a design scheme of digital principal axis motor inverter based on DSP. A series of optimizing strategy is given to enhance the system performance.

本文详细介绍了一种基于DSP的全数字主轴电机变频器的设计方案，并且给出了一系列的优化策略以提高系统性能。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。