In order to solve the high order linear system of equations, we have used the frontal method with high accuracy and considerable economy of main memory space.

用节省内存空间而精度又高的波前法来求解此特大型方程组。

youdao

As the financial crisis fades from memory and the economy recovers, instructors worry that the moment has passed.

WSJ: Some B-Schools Step Up Efforts to Tie Ethics to Business Programs

Everybody has got kind of a selective memory here, but nobody was sure whether the economy was going to hold up.

WHITEHOUSE: Rebuilding the Economy, Creating New Jobs

Already, even with American unemployment at record post-war lows and the economy steaming ahead, industries such as steel and memory chips have resorted to anti-dumping suits to protect themselves against imports.

ECONOMIST: A bad time to be an ostrich