其实不然，跟拍和移动镜头有相似的地方，但是，跟拍是跟随者一个运动主体沿着镜头的轴线运动的，它的画面是相对来说固定的。
In fact, it is not like the film and moving the camera is similar to the place, but, with the film is a movement of the follower movement along the axis of the lens, it is relatively fixed picture.
校正定位模板的轴线、水平度和标高，用电焊固定在支架上，并焊上足够数量的支撑和拉杆。
Rectify the axis lines, levelness and elevation of the positioning form, fix it by electric welding on the bear frame and then weld sufficient supports and lifts.
齿形和工件的齿槽相同﹐以成形铣削法切削工件的齿槽﹐因此定装滚刀必须相对工件的轴线安装在固定的位置上。
Tooth shape and the same scallop, forming the milling method of cutting the scallop, therefore it is relatively workpiece axis of hob must be installed on the fixed position.
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