仿其形
Imitate its shape
以上为机器翻译结果，长、整句建议使用 人工翻译 。
按照上述原理设计了活塞环仿形靠模，并对其补偿效果作了数字仿真。
The tracer CAM of piston ring is designed according to the principle and method proposed in this paper and the computer simulation result of this compensation effect is given.
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