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1·Details have been given of a near miss between two passenger jets over Washington DC earlier this week.

有关本周早些时候两架客机在华盛顿特区上空险些相撞的细节现已公布。《柯林斯英汉双解大词典》

2·Join a small group bike tour for an evening of exploration in the heart of Washington DC.

参加一个小型的团体自行车之旅，探索华盛顿特区的核心地带。

3·The address is 2025 M Street, NW, Washington, DC, 20036.

地址是华盛顿哥伦比亚特区，华盛顿西北，M街2025号，邮编20036。《柯林斯英汉双解大词典》

4·Inside a DC-8 aircraft, there is a fully-equipped teaching hospital with television studio and classroom.

在DC-8飞机内，有一所设备齐全的教学医院，有电视演播室和教室。

5·Recent polls by the Pew Research Centre in Washington, DC, found that 75-80 percent of participants regarded climate change as an important issue.

华盛顿皮尤研究中心最近的民意调查发现，75%至80%的参与者认为气候变化是一个重要问题。

6·If the bill makes its way through Washington, DC, after years of deliberation and lobbying, that could further dent Blackstone's profits and share price.

如果该议案经过数年的审议和游说之后在华盛顿获得通过的话，那有可能进一步削弱黑石集团的利润和股价。

7·An analog signal is composed of four basic components: DC and AC magnitudes, frequency, and phase.

模拟信号由直流和交流分量、频率和相位四部分组成。

8·The control scheme and operating principle of a double closed-loop AC/DC power converter system are discussed by using physics.

从物理角度讨论了双闭环交/直流功率变换器系统的控制方案和工作原理。

9·Cirsium japonicum DC (CJDC) has an inhibition of heart rate.

大蓟有抑制心率的作用。

10·Flavonoids, Phenols and triterpenes are the main constituent exist in Desmodium triquetrum(L. )DC.

葫芦茶中主要含黄酮类、酚类及三萜类等化学成分。

(1)dc motor直流电动机；直流马达；直羚动机

(1)dc voltage直流电压；直羚压

(1)dc power supply直流电源；直羚源

(1)washington dc华盛顿（特区）；华盛顿哥伦比亚特区

(1)dc drive直流传动，直流驱动；直莲动

(1)dc generator直流马达，直流发电机