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- The roof was braced with four poles. 屋顶由四根柱子支撑。
- four pole parameters method 四端参数法
- Currently, the world shipbuilding industry has been to demonstrate Korea, Japan, China and Europe and other parts of the new four pole structure. 目前，世界船舶工业已呈现出韩国、日本、中国以及欧洲与其他地区的新四极结构。
- four pole network measuring unit 四端网络测量器
- Flat surface four pole organization 平面四杆机构
- equivalent noise four pole network 等效噪声四端网络
- The experiences of teaching“Hinged chain four poles structure” better by teaching tool are introduced. 介绍了利用教具等手段，讲好“铰链四杆机构”的教学经验。
- Verification of High Precision Four Pole Magnetic Die 高精度四极磁铁冲模的验证
- Visualization of Reverse Four Pole Hydraulic Support Based on VB 基于VB反四连杆液压支架可视化实现
- It is clear to all of us that two plus two is four. 二加二等于四对我们大家都很清楚。
- He wove four plots together into a novel. 他把四条情节编成一部小说。
- We have tea at four o'clock in the afternoon. 我们在下午四点钟喝茶。
- But in the previous TSC experiments heating rate and some poling parameters are often changed such as polarization temperature, time and field intensity. 然而，传统的TSC法常用改变极化温度、时间、场强以及升温速率等参数来观察TSC谱的变化，并未在测量过程中引入新的作用参数，这使得TSC的应用有一些局限性。
- The poling effects by poling parameters (voltage, temperature and time) on corona poling process have been analyzed by UV-Vis absorption spectroscopy and microscope. 结合吸收光谱法和显微镜形貌分析了极化电压、极化温度以及极化时间对极化效果的影响。
- The town boasts four swimming pools. 这座城镇以拥有四个游泳池而自豪。
- Our football team won by four goals to nil. 我们的足球队以四比零取胜。
- He lay back and hit the ball for four. 他向后弯身击中球，得了4分。
- I was clean broke in less than four days. 不到四天我就一个钱也没有了。
- I'll look out for you at about four. 我4点钟左右找你。
- He showed us four case studies of disturbed girls. 他给我们看了4位精神失常姑娘的病历。
