A novel 3d laser ball bar (3d LBB) has been developed to determine the shaft or tool point positions rapidly and easily.
研制了一种三维激光球杆装置，能方便地测量机床主轴或刀具的空间运动位置。
The multiple motion errors duringcircular interpolation of NC machine tools can be obtained by using double ball bar tester.
可用双球规测量装置测得数控机床圆弧插补运动的综合误差。
If you add just one or two pieces of equipment: a dumbbell, a kettlebell, a jump rope, a medicine ball, or a chinup bar, for example, you can increase the challenge even more.
如果你只用一两个器械的话：一个哑铃，一个壶铃，一条跳绳，一个健身实心球，或者一条杆（用作引体向上）等，都可以作为选择。你还可以对自己加大挑战。
To get the ball under the bar, they must learn to aim slightly lower than normal, reducing the ball's take-off Angle by around half a degree.
为了让球在门柱下，他们必须学着瞄准得比往常烧低一些，将球的起飞角度降低半度左右。
If you're truly a monster, try doing leg lifts with a medicine ball hanging from your feet. Or hang from a pull up bar and raise your legs in front of you all the way up to the bar.
如果你真是一个牛人的话，试着在脚上系个健身实心球，或是在双杠上练习悬垂举腿，把腿一直举到双杠上面。
Banks somehow managed to scramble across from his near post and launched himself at the ball, miraculously scooping it over the bar for a corner just as it bounced before the goal line.
班克斯在混乱中设法移动到球门近角，整个身体向球扑去，就在球即将反弹入网时，奇迹般的将球捞回。
Rolling material support ball is set, to minimize fish tail with sheet bar and to reduce frictional resistance.
滚动托料球，减少板料划伤，并可减少摩擦阻力。
It is introduced that the technology of slag stopping with ball and bar to converter steelmaking. This technology favours reducing material consumer and increasing economic benefits of enterprises.
介绍了档渣球和挡渣塞技术在转炉炼钢的实际应用，有利于降低原材料消耗、增加企业效益。
Results: the stress values of the ball attachment in the palate area, alveolar bone and implant bone interface were much higher than that of the bar attachment.
结果：发现杵臼附着式固位的种植赝复体在行使功能时其腭部、牙槽骨、种植体周围骨界面的应力值均远高于杆卡附着式固位的种植赝复体。
Objective: To investigate the influence of ball or bar attachments on stress distribution of the mandibular implant-supported overdenture.
目的：探讨球形、杆式附着体对全下颌种植覆盖义齿应力分布的影响。
In design apply line-glide rail and ball bearing bar forming slipway structure, scheme out flexible replaceable clamp structure.
采用直线滑动导轨和滚珠丝杠构成稳定的滑台结构，设计出了更换灵活的夹具结构。
A new device called 2-dimensional ball-bar was proposed for the software compensation in the workspace.
提出了一种新的适用于机床几何误差补偿的测量装置———二维球杆仪。
A new device called 2-dimensional ball-bar was proposed for the software compensation in the workspace.
提出了一种新的适用于机床几何误差补偿的测量装置———二维球杆仪。
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