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- The calculation of purity for V Ti bearing magnetite is discussed,and the purity index can be used to evaluate dressing result. 讨论了钒钛磁铁矿提纯度的计算方法，可采用提纯度指标对选矿的选别效果进行正确的评价。
- Supplementary Test of Enriched Ti Material Preparation with Rotary Kiln Material from Ti Concentrate 钛精矿回转窑还原制取富钛料补充试验研究
- It's too hot to concentrate on book. 热得不能集中心思看书。
- I must concentrate my energies on decorating today. 我今天必须集中精力搞装饰。
- I can't concentrate on my work when I'm tired. 我累了就无法集中精力工作。
- Váti 瓦蒂
- Don't put me off when I'm trying to concentrate. 我正要集中注意力呢，别打搅我。
- We must concentrate our attention on efficiency. 我们必须把注意力集中在效率上。
- She couldn't concentrate on a book very long. 她不能长时间专心读一本书。
- I must concentrate upon my work now. 我现在必须集中精力工作。
- Is Baima a dialect or a subdialect of Tibetan? 白马语是藏语的一个方言或土语吗?
- There exist large Au, Cu, Pb-Zn, Ni, rare metals, rare earth, Sn, Mo, V, Ti, W and some other types of ore deposits. 具有大型、超大型规模的矿产为金、铜、铅锌、镍、稀有金属、稀土金属、锡、钼以及钒、钛、钨等。
- Birds concentrate (in places) where food is abundant. 鸟聚集在食物丰盛的地方。
- She felt ill. She went to work, however, and tried to concentrate. 她病了。然而她照旧去上班，并且尽力集中精神工作。
- His legs sprawl out in V while he was watching TV. 他看电视时双腿呈V字形伸开。
- We must concentrate our efforts on improving education. 我们必须致力於改进教育工作。
- Did't you know he has gone ti London? 难道你不知道提已经去伦敦了吗?
- I just want ti have an ice cold shower. 我现在就想洗个冷水澡。
- You are the best girl I'v meet here. 你是我在网上遇到的最好的女孩。
- I can't concentrate with you breathing down my neck. 你这样紧紧盯著我，使我精神无法集中。
