gordhan先生认为，南非在接下来的二三十年需要保持7%的年经济增长率才能扭解堆积成山的失业和贫困问题。可是统一的预料认为今年的经济增长速度应该环绕在3%左右，远低于gordhan所预计的7%。
The consensus forecast is now for growth of around 3% this year-well below the 7% Mr Gordhan says is needed for the next 20-30 years to dent South Africa's towering unemployment and poverty.
通过相图中的各种轨道，获得了孤立波，扭子波和周期波的精确解。
By the orbit in the phase portraits, different kinds of solitary wave, kink wave and periodic wave solutions are obtained.
本文建立了电机的扭振方程和电路方程相耦联的统一数学系统，得到了它的解。
An unified mathematical system which couples torsional vibration equation and circuit equation of a synchronous machine is proposed in this paper.
讨论了含大参数的二阶线性方程的渐进解，并将其应用于楔型杆的纵振和扭振的研究。
The application of the asymptotic solution of second order linear homogeneous equation with big parameter to studying the longitudinal and twisted vibrations of tapered sticks is discussed .
讨论了含大参数的二阶线性方程的渐进解，并将其应用于楔型杆的纵振和扭振的研究。
The application of the asymptotic solution of second order linear homogeneous equation with big parameter to studying the longitudinal and twisted vibrations of tapered sticks is discussed .
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