In this paper, the method of gradient was advanced and compared with the standard formation number general in the paper field.
提出了梯度分析法，并将其与国际上通用的标准匀度指数法进行了分析和比较。
2
Measurement of hepatic venous pressure gradient (HVPG) is a standard method for the assessment of portal pressure and correlates with the occurrence of its complications.
肝静脉压力梯度(HVPG)测定是评估门脉压力的标准方法，且HVPG也与其并发症的发生有关。
3
It also gives some Suggestions on the studies of gradient reduced coefficient of traction in long tunnels and the design standard.