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；

youdao

The hereditary mode of rolling tongue or pointed tongue was the dominant heredity of single gene of autosome, and the can-rolling type or can-pointed type was the dominant character.

卷舌和尖舌均为常染色体单基因显性遗传，能卷舌型和能尖舌型分别为显性性状；

youdao

The hereditary mode of rolling tongue or pointed tongue was the dominant heredity of single gene of autosome, and the can-rolling type or can-pointed type was the dominant character.

卷舌和尖舌均为常染色体单基因显性遗传，能卷舌型和能尖舌型分别为显性性状；

youdao