Equations of steady drawdown, seepage velocity, quasi steady time and ideal well distance were obtained through analytic seepage equation.

通过分析理论解，从中得出稳态降深方程、稳态渗流速度方程、准稳态时间方程和理想井间距方程。

youdao

A drawdown is measured from the time a retrenchment begins to when a new high is reached.

资金回撤的度量是从资金开始下滑的时间开始，直到出现一个新的高点。

youdao

This is a polite way of saying what Robert Gates, the previous defence secretary said more baldly, that having seen the paltry defence efforts that Europe is willing to make, its time for the US to drawdown.

BBC: Re-ordering of priorities in new US defence strategy

He said at the time that he would begin the drawdown of the surge forces in July of 2011.

WHITEHOUSE: Press Briefing

The final decision about the pace of the drawdown in Afghanistan was not made at the time the FY 2014 Budget request was developed.

WHITEHOUSE: Letter -- Fiscal Year 2014 Budget Amendments