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- Except inorganic nitrogen, Cu, Pb, Zn concentrations which exceeded the grade of clean seawater in Xiamen state natural protection zones for marine endangering animal, other elements and sedimentary matter concentrations accorded with the standard. 厦门国家级海洋珍稀物种自然保护区水质中除无机氮、铜、铅、锌含量超过清洁海域水质标准外,其他要素和沉积物要素含量符合清洁海域标准。
- 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。
- 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。
- Zn concentrate 锌精矿
- I must concentrate upon my work now. 我现在必须集中精力工作。
- The SIMS Measurement of Zn Concentration Distribution Induced by Laser SIMS测量激光诱导扩散Zn的浓度分布
- 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。
- Suitble for Pb free glazes with Ti or Zn. 适合含钛、锌无铅釉。
- We must concentrate our efforts on improving education. 我们必须致力於改进教育工作。
- Beijing ZN Electrical Apparatus Ltd. 北京智能电气有限责任公司。
- Precision ZN types can used for embossing print. 锌合金字耐磨、印字精确,可作压凹字使用。
- F can promote the emission of Pb,Cd,Zn and Cu. 氟会促进Pb,Cd,Zn和Cu的逸放。
- Screw Steel or brass alloy with Zn or Ni plating. 端子螺栓以钢或铜合金为原料,表面再加以镀锌或镀镍等处理。
- 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。
- Precision ZN types can be used for embossing print. 锌合金、钢字耐磨、印字精确,可作压凹字使用。