ztd

ztd

1

The treatment group ( 90 cases ) was treated by heated ZTD ;

治疗组90例，给予止痛带加热治疗；
2

ZTD can decrease the vaginal bleeding volume and shorten the bleeding time and tends to increase the complete abortion rate .

紫草天花粉汤可以减少药物流产后阴道出血量和出血时间，有增加完全流产率的趋势。
3

With the modify model of ZTD we can apply a new method for ZTD calculation of none auxiliary stations which can decrease the fee of the network and calculated time of GPS ZTD .

该模型为无网外辅助站对流层延迟的解算提供了一种新的方法，可以减少网络维持的费用和GPS解算对流层天顶延迟的时间。