座标轴

The angle between the direction of anisotropic coordinates and the X-axis of normal coordinates is 39.32 degrees clockwise from the X-axis.

含水层非等向主流方向与世界横麦卡脱方格座标，UTM座标的X轴与所夹的角度为-39.32度。

A new scheme for laser beam focus position error compensation is proposed, In this scheme, a decomposing compensation scheme, the compensation action along laser beam is decomposed to three orthogonal straight-line coordinates: X、Y、Z, without extra actuator.

论文提出了一种新的激光焦点位置误差补偿方案，该方案不需要专门的执行机构，而是将激光聚焦头沿着光轴方向的补偿运动分解到机床的X、Y、Z三个直线运动座标上，称为分解补偿方案。

Business: metal processing machinery manufacturing, mold | fixture | Instruments accessories processing | repair and sales of major products: flat-panel inquiry scraping, grinding plate, testing platform, crossed platform, the assembly platform , Maohan platform, surveying platforms, the basic platform, testing platform, welding platform, San Zuobiao platform, combined platform, T-slot splicing platform, parallel-foot, the bridge-foot, rectangular-foot, point-foot , Cubic feet, to me, V-Rail, the partial-place check, the new partial-place, micrometer, school-axis, flatness Qiaoban adjustable, adjustable level of regulation, crossed disk, magnetic to me, magnetic V-type planes, V-shaped pieces of steel planes, machine damping Sizing Block, adjustable Sizing Block, ladder Sizing Block, Pad, chrome-plated jack, the southbound span Jack, Park-testing wand, Park-Jiaochi, table with chrome Park Jiao Chi-chu, Her taper gauge, Her taper shank test rods, 7:24 taper shank test rods, proof-reading Cypriot ring for smooth, sinusoidal regulation, the board cards, aluminum model of the arc, the arc of mold Model-foot aluminum, magnesium-alloy-foot primers, Dummy Bar, granite slab, granite-foot, granite cubic feet, granite, me, V-shaped granite blocks, wrenches Plum, knock - Wrenches, stay wrenches, single wrenches, bending handle wrench, straight handle wrench, convex-wrench, pry bar wrenches, sockets and heavy anti-explosive tool product line.

经营范围：金属加工机械的制造，模具|夹具|仪器仪表配件的加工|修理及销售主要产品有：刮研平板，研磨平板，检验平台，划线平台，装配平台，铆焊平台，测量平台，基础平台，试验平台，焊接平台，三座标平台，组合平台，T型槽拼接平台，平行平尺，桥型平尺，直角平尺，角度平尺，方尺，方箱，V型铁，偏摆检查仪，新型偏摆仪，测微仪，校轴器，平直度可调桥板，可调高低规，划线盘，磁力方箱，磁力V型架，钢件V型架，机床减震垫铁，可调垫铁，阶梯垫铁，垫块，镀铬千斤顶，涮漆千斤顶，园柱检验棒，园柱角尺，带表镀铬园柱角尺，莫氏锥度量规，莫氏锥柄检验棒，7：24锥柄检验棒，校对光滑专用塞环规，正弦规，卡板，铝合金对弧样板，结晶器对弧样板，铝合金平尺，镁铝合金平尺引，引锭杆，花岗石平板，花岗石平尺，花岗石方尺，花岗石方箱，花岗石V型块，梅花扳手，敲击扳手，呆扳手，单头扳手，弯柄扳手，直柄扳手，凸型扳手，撬棒扳手，重型套筒及防爆工具系列产品。

Based on the parametric equations of blade surfaces and hub surface, and selected form specification of the ball end mill, we use MATLAB to calculate the coordinates of tool paths and tool-axis orientation.

本文系以叶轮叶片面及轮毂面的曲面参数方程式资料为基础，选定刀具形状规格后，应用MATLAB程式来计算刀具的刀尖点座标及刀轴方向。

This thesis proposed the design and implementation of an ASIC for the motor control with DTC technology. Note that this ASIC is implemented by cell-based Design style with Verilog language.The basic principle of the Direct Torque Control is to select the switch sequence of the inverter. Those switches will control the magnetism and torque of the stator, to induce a fast response of the induction motor. Furthermore, the d-q axle's static coordinate, which is transferred from both the three-phase current and voltage, is used to compute the stator's magnetism and torque. By comparing with original values, those magnetism and torque will be calculated and set to new data. Then the switching table and the hysteresis controller are decided with the new data to generate a voltage vector and to control the stator magnetism and torque.

直接转矩控制的基本原理为经由侦测马达定子磁通与转子转速，来适当的选择变频器功率电晶体的切换状态，以获得快速且不易受外在环境影响的马达控制响应；首先，根据量测三相电流与利用变频器的切换状态取得马达的三相电压，将其转换至d-q轴静止座标，然后藉此估测马达的磁通量与转矩量，再分别与侦测的定子磁通量和转矩量比较后，得到定子磁通量与转矩量比较的结果，再利用DTC电压向量切换表(DTC Voltage Vector Switching table)，依定子磁通与转矩的比较值及马达所在的角度位置，来选择一个适当的电压向量，进而依切换顺序来激发功率电晶体，达到控制感应马达的目的。

I am sure after a few weeks of adaptation and familiarization I will have no difficulty in functioning on a daily basis in an English speaking society or in participating fully in graduate studies.

在大学的三年的学习生活不仅给予我自身的充实，更重要的是磨练和培养了我较强的自觉能力和严谨，踏实的作风以及不怕困难的精神，对未来充满了信心！

As the first volcanoes erupted, one of the gases that bellowed out was steam.

在第一批火山喷发时，喷出的气体之一就是水蒸汽。