Grammar-As的用法 ■2、用作连词引导状语从句 The antenna gain becomes larger as frequency is increased in the microwave band(时间状语从 a Marconi tried to commercialize radio at a much lower frequency for long-distance communications, but as he had a business interest in all of his work and developments, this was not a purely scientific endeavor:(原因状语从句) 上海海学信息工程学院上海海事大学信息工程学院 Grammar-As的用法 ◼ 2、用作连词引导状语从句 ◼ The antenna gain becomes larger as frequency is increased in the microwave band.(时间状语从句) ◼ Marconi tried to commercialize radio at a much lower frequency for long-distance communications, but as he had a business interest in all of his work and developments ,this was not a purely scientific endeavor.(原因状语从句)