直到1965年，龐大又昂貴的計算機只有實驗室中的數學家和工程師能使用。

直到1965年，龐大又昂貴的計算機只有實驗室中的數學家和工程師能使用。

Results (English) 1:

Until 1965, only mathematicians and engineers in the laboratory could use large and expensive computers.

Results (English) 2:

Until 1965, large and expensive computers were available only to mathematicians and engineers in the laboratory.

Results (English) 3:

Until 1965, huge and expensive computers were available only to mathematicians and engineers in the laboratory.