A new rolling type of spherical enveloping worm gearing with point meshing is proposed.

提出了一种新型滚动式球面包络点啮合环面蜗杆传动；

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The error sensitivity of contact position of point-contact tooth surfaces with respect to the mounting errors is an important index to evaluate the gearing performance.

点接触齿面的接触点位置对安装误差的敏感性是衡量齿面传动性能的一个重要指标。

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All signs point to the fact that Chinese companies are gearing up to make more overseas direct investments (ODI) in the coming years.

FORBES: Get Ready For More China Overseas Investment