同根派生 theoretical account相关词英汉例句The theoretical explanation invokes virtual photons.这一理论解释需借助于虚光子。The main theoretical explanative method is non-cooperative game theory developed in the 1970s.主要使用的理论解释方法是上个世纪七十年代发展起来的非合作博弈理论。theoretical account更多例句