gain在这边如何理解?gain access to a bank vault

gain在这边如何理解?gain access to a bank vault 在调音台上GAIN是什么意思! 质谱中手动调谐,如何理解 mass gain 和mass offset,其值如何确定 projected gain gain insight gain some gain flesh one's own gain 如何翻译 英语翻译“the annual exemption would be partly wasted” 在 Capital gain tax 里,gain低于9600英镑的年度免税额,请问“partly wasted”怎么理解? Unrealised Foreign Exchange Loss/(Gain)的中文怎么理解 如何区别attain,gain,和obtain这三个词? simulink中的gain模块如何可以设置显示成k- no pain no gain No pain no gain no gain without venture nothing gain. 求《pain&gain》! gain什么意思啊?