even order短语⁷⁹⁹⁷⁸⁺⁹ 基本例句 adj.偶次的 SA exact is available in different colours and finishes, and you can even order it in a colour that suits your needs. 它有不同的颜色和表面处理效果，你可以根据自己的需要选择色泽。 xinheaudio With the first harmonic and its second harmonic the even order harmonics can be obtained. 并定性解释了其产生机制和谐波效率提高的原因。 opticsjournal