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- The results show that occurrence of the single or double pole block on the DC lines, or short-circuit faults on the DC or AC lines will not influence seriously on power system stability. 仿真结果表明：当南桥、华新换流站发生直流输电单双极闭锁以及交、直流侧短路故障时，不会给系统带来稳定问题。
- The reliable HVDC pole blocking universal criteria are studied, initiated and applied in the stability control system. 研究并提出了可靠的直流极闭锁综合判据，并将其应用到稳定控制系统。
- This paper introduces the types of HVDC faults and the causes of HVDC pole blocking and analyzes the effects of HVDC pole blocking on power system stability, taking some HVDC projects for example and highlighting Gaopo-Zhaoqing HVDC project. 介绍了直流故障的类型和直流闭锁的原因，重点以高肇直流输电系统为例分析了直流闭锁对电力系统稳定的影响。
- He is a great guy, a chip off the old block. 他是一位好人，就像他父亲一样。
- He flew to Europe via the North Pole. 他经由北极飞到欧洲。
- See if you can hook it with this pole. 看看能不能用这根杆子把它捞起来。
- That old block of flats is a real eyesore! 那座旧公寓真不顺眼！
- He cut the iron pole to the size he wanted. 他把铁杆锯成他需要的尺寸。
- He had put up a basket on a pole in the back yard. 他在后院一根柱子上安一个球篮。
- A red flag slowly went up the pole. 一面红旗徐徐升起。
- Our school won first place for the pole vault. 我们学校赢得了撑杆跳第一名。
- The office block is under offer. 办公大楼已有人出价购买。
- I know he is a bit up the pole, financially. 我知道他经济上有点拮据。
- Qualified in the time trials to start on the pole. 从起跑线内侧开始来测试时间
- He used his casting vote to block the motion. 他用他的投票反对动议的通过。
- Pole vaulters need long run-ups. 撑竿跳需要长距离助跑。
- The pole fell, pinning the man to the ground. 电线杆倒了，把那人压在地上。
- A heavy snowfall block the main road. 一次严重的降雪阻塞了主要公路。
- Write your name in block capitals, please. 姓名请用大写。
- The longest pole knocks the most persimmons! 竿子最长打的柿子最多。
