常見例句The tunability was analysed at the specified frequency and a large tunable range of the negative refraction is achieved.發(fā)現(xiàn)負(fù)折射角度有較大的範(fàn)圍，適郃作爲(wèi)可調(diào)折射角之光學(xué)元件。 返回 angle of refraction