您要查找的是不是：
- There is a concentration of people in big cities. 大城市人口集中。
- Path of beam of light, nothing is seen. 如果光束通道上没有东西,就什么也看不到。
- New method for power saving of beam pumping units. 游梁式抽油机节能新技术探讨。
- What is the concentration of salt in sea water? 海水中盐的含量是多少?
- S is the concentration of unpaired nucleotides. S是不配对的核苷酸的浓度。
- The concentration of ethylene is on the high side. 乙烯浓度偏高。
- L-1 was the optimal spraying concentration of. L-1为最佳喷施浓度。
- Q: Does the testing need concentration of the mind? 问:测试时需要集中精神吗?
- They strongly recommended concentration of offer. 他们极力建议集中报盘。
- The exercises demand great concentration of mind. 这种练习要求全神贯注。
- Having a high concentration of acid. 酸性的含高浓度酸的
- The power of each brain wave of BEAM lowers with time. BEAM各脑波功率值与时降低。
- Analysis of fatigue reliability of crank pin of beam pump unit. 游梁式抽油机曲柄销疲劳可靠性分析
- Low concentration of CDCA does not damage the liver function. 低浓度 CDCA不损害肝功能。
- Electrode potential depends on the concentration of the ions. 译文：电极电位决定于离子浓度。
- Strictly master the dose and concentration of amoxicillin. 严格掌握注射用阿莫西林钠的剂量和浓度。
- We measure the concentration of population around capital cities. 我们测量省会城市周边的人口密度。
- Freckles are simply concentrations of melanin. 雀斑不过是高浓度的黑色素。
- concentration of beam 集束
