单词:speed control by field weakening
单词:speed control by field weakening 相关文章
ANNOUNCER: EXPLORATIONS -- a program in Special English by the Voice of America. (MUSIC) Neil Armstrong with the X-15 Today, Doug Johnson and Frank Oliver tell about the first airplane that flew out of the Earth's atmosphere. It was designed to test
Do you have a return ticket? Immigration officer: Good evening. Where have you come from? Paul Ryefield: Bucharest, Romania. Immigration officer: May I have your passport and form I-94, please? Paul Ryefield: Here you are. Immigration officer: Whats
There are many projects under way at present in the United Kingdom and further field to up-date out-dated technology in the field of signaling and control systems, track geometry, rolling stock and so on. In the wider context, the demand to reduce th
Addressing the opening of the annual gathering of the National People's Congress, Premier Li Keqiang has set China's GDP growth target for this year at between 6.5 to 7 percent. He has also unveiled the draft of the much-anticipated 13th Five Year Pl
Addressing the opening of the annual gathering of the National People's Congress, Premier Li Keqiang has set China's GDP growth target for this year at between 6.5 to 7 percent. He has also unveiled the draft of the much-anticipated 13th Five Year Pl