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- four pole equivalent network 四端网络等效电路
- two pole equivalent network 二端等效网络
- equivalent noise four pole network 等效噪声四端网络
- The roof was braced with four poles. 屋顶由四根柱子支撑。
- A practical algorithm for determining wheeling losses based on an equivalent network is proposed in this paper. 文中提出一种基于等效网络的过网损耗实用化计算方法。
- 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
- Methods used in the study of ultrasonic bonding transducer are summarized, such as equivalent network, direct solution of the vibration and wave equations, and finite element method （FEM）. 对超声键合用换能器的研究方法进行了总结，例如等效网络法、直接解振动与波动方程法、有限元法。
- piezoelectric equivalent network 压电等效(电)网络
- Flat surface four pole organization 平面四杆机构
- 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
- Being one of four equal or equivalent parts. 四分之一的四个相等或相当部分之一的
- 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。
- 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。
