| 释义 |
lower and upper ˈləuəændˈʌpə 短语⁸⁴³²⁰⁺⁸
基本例句
上和下; 低与高
Some efficient tools such as topological degree theory, fixed point theory and lower and upper method have been applied.
使用的主要方法有锥上的不动点理论、拓扑度理论和上下解方法等。 iciba
There are two overpressure systems, lower and upper overpressure systems, in Kuqa foreland basin.
库车前陆盆地具有典型的双超压体系。 cnki
Tense your lower and upper eyelids.
绷紧你的上下眼睑。163
The most striking eyes among the reptiles have lower and upper eyelids joined together, leaving one large hole for the pupil to see through.
最令人震惊的是蜥蜴的上下眼睑是连在一起的，这特点让它的眼睛只留下了一个比较大的孔瞳孔接收光线。 hjenglish
The cambered shape of the crystal is achieved by grinding the lower and upper surfaces.
对镜面的双面进行打磨，造成拱形效果。 iwatch365 |