Oxide ion yield of the rare earth elements (REE) decreased with the increasing of RF power and the sampling depth, or with the decreasing of carrier gas flow rate.
稀土元素的氧化物离子产率随入射功率和采样深度增加，载气流速减小而降低。
With the technological and other key elements remaining the same, their marginal income is increasing first and then decreasing gradually.
在技术水平和其他要素的投入不变的情况下，边际收益是先递增后递减。
应用推荐