所以掌握了 meaning in English

audio effect

As mainstream chip production technology shifts from one generation to the next every three to five years , plants with new technology can make more powerful chips at lower costs , while plants with outdated equipment , which often cost billions of dollars to build , will be marginalized by the maker
由于主流芯片生产技术每隔3 5年都要进行更新换代，所以掌握了新技术的厂家就可以以较低的成本制造出较好的芯片，而那些耗费数十亿美元建立起的厂家，如果设备落后，也将会被生产商所淘汰。