设计实例显示，在保证末端执行器运动学误差小于可接受范围时，连杆曲线跨度可减小至接近理想状况。
The curve span can be reduced to be very close to the ideal condition with the end-effector kinematics error still acceptable.
高效的857-819突出了在已调整的跨度中，小于0.1％的传输误差的特点。
The highly efficient 857-819 features transmission errors of less than 0.1% on adjusted span.
城镇地籍测量中，成图比例尺跨度较大容易造成图幅拼接缝隙，产生接边误差。
In the process of splicing the urban and country cadastral mapsheets, it may cause apertures and precision difference easily because of large scale spans among corresponding mapsheets.
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