в два раза больше, чем

The bond energy for H2 is nearly twice as large as that for H+ or He2+.

The double-acting compressor discharges twice as much fluid per cylinder as the single-acting.

The distance between the objectives is twice (or double) that between the eyepieces.

The length of the geosyncline should be more that twice its width.

The total capacity of these steam fields is only about twice what a single nuclear power plant develops.

Источник: Русско-английский научно-технический словарь на Gufo.me