In this paper the demands, the lowest mass design principle of balancer shaft of fan type and eccentric circle type balancer mass are analyzed.

分析了扇形和偏心圆两种平衡轴设计的要求以及平衡重低质量的设计原则。

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The team found that planets in wide binaries have more eccentric orbits than worlds that circle single stars, suggesting the computer models are on the money.

MSN: Alien planets face danger from double-star systems