Hair spin difference of hair spin number,cheapest ghd, direction, parts, hair spin centre and head point distance, and head point and hair spin centers connect with head the midline to Angle etc.
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You may only use elementary geometry, such as the fact that the angles of a triangle add up to 180 degrees and the basic congruent triangle rules (side-angle-side, etc.).
你可以使用初等的几何知识例如三角形的三个内角各为180度和三角形全等的规则(边-角-边等)。
Research the contribution of frame, chassis, body etc to Angle rigidity of the whole carrying system, verify the important effect on strengthening frame of non bearing body.
研究了车架、底盘、车身等对整个承载系统角刚度的贡献，证实了此类非承载式车身对加固车架的重要作用。
Using laser beam as a linear reference to realize autocollimation Angle measurement has advantages such as high accuracy, long measurement distance, etc.
利用激光光束直线基准进行自准直角度测量具有测量精度高、测量距离远等优点。
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