The XB4450 imitating milling machine was transformed into four axes three linkages numerical control milling machines driven by ac servo.
将XB4450仿型铣床改造成四轴三联动数控铣床，并采用交流伺服驱动。
The XB4450 imitating milling machine transformation is four axes three linkages numerical control milling machines. It may process the complex curve, the curved surface.
将XB4450仿型铣床改造为四轴三联动的数控铣床，可以加工复杂的曲线、曲面。
These three components are interwoven, and direct covalent linkages.
这三种成分相互交织，直接形成共价键。
Explain the three key linkages in expectancy theory and their role in motivation.
解释期望理论与他们的作用在动机上的三个关键联系。
Second, the thesis studies the spatial linkages of regional economic contacts and inter-regional economic relationship using the modal that appearing in the part three, and then analyze the results.
其次，依托论文第二部分所构建模型及《中国城市统计年鉴》和《中国公路里程和空车配货指南》，进行区域经济联系和地缘经济关系的测度研究，并对结果进行分析；
Second, the thesis studies the spatial linkages of regional economic contacts and inter-regional economic relationship using the modal that appearing in the part three, and then analyze the results.
其次，依托论文第二部分所构建模型及《中国城市统计年鉴》和《中国公路里程和空车配货指南》，进行区域经济联系和地缘经济关系的测度研究，并对结果进行分析；
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