When the viviparous plantlet abscises , there are 1 - 3 leaflets on it 此外，珍珠虎耳草还可通过无性系分株来进行繁殖。
2.
The traits showed when the viviparous plantlets abscise and disperse that the dispersing behavior for the viviparous plantlets is adaptable to the special environment 胎生苗在脱落与散布时表现出的特点说明：胎生苗的扩散行为是与其特殊的环境条件相适应的。
3.
Conclusions : in open operation for complicated posterior urethral stricture , cicatrical tissue can be completely and safely abscised without complication by using this appliance 结论：在复杂性后尿道狭窄开放手术中，使用后尿道钻孔器钻孔可充分切除瘢痕组织，且操作简单，安全微创，并发症少，临床效果显著。
