DC怎么读,DC的音标和真人发音
英音  [ˌdi: ˈsi:]    

DC是什么意思,DC的意思是

abbr.直流电(direct current);哥伦比亚特区(District of Columbia);数码相机(digital camera);从头重复(da capo)

DC 的用法和双语例句“点击”或“选中”例句中的单词,就可以看到词义解释

Electricity from photovoltaic farms in the southwest would be sent over high-voltage dc transmission lines to compressed-air storage facilities throughout the country , where turbines would generate electricity year-round .
从西南部太阳能发电田生产出的电力经过高压直流电缆传输到遍及全国的压缩空气能源储存设施,然后由涡轮机制造全年使用的电力。
This is what the nuclear security conference that opened in washington , dc , on april 12th hoped to achieve .
这正是4月12日在华盛顿哥伦比亚特区召开的核安全会议希望实现的目标。
Washington , dc has traditionally been an unbalanced city when it comes to the lifeofthe mind .
当谈到精神生活时,华盛顿哥伦比亚特区从传统上来讲一直是一个发展不稳定的城市。
Since the job was in dc and she lived in new york , the hiring manager scheduled a phone interview .
因为工作地点在哥伦比亚特区,而她住在纽约,招聘经理安排了电话面试。
It combines servers , storage , networking , ups and dc power distribution in one unit .
每个设备单元包含服务器,数据存储,网络ups以及直流供电系统。
According to william cline of the peterson institute for international economics in washington , dc , at least 4 % of the world 's grain is used to make ethanol for fuel .
根据皮特森国际经济研究所(位于华盛顿哥伦比亚特区)的威廉姆克莱恩的研究,世界粮食至少4%被用于制造酒精燃料。
The problem is that there is no single standard for dc power supplies , so such savings cannot easily be achieved in a data centre filled with equipment from different vendors .
问题是直流电源并无单一标准,因此拥有不同卖家设备的数据中心很难做到这样的能源节约。
The reason was that over the short distances spanned by early power grids , ac transmission suffers lower losses than dc . It thus became the industry standard .
选择交流电作为工业标准的原因很简单,在早期供电距离很短的电网里,交流电的损耗比直流电小。
They want to fill the deserts with steel and glass mirrors and use the reflected sunlight to boil water and generate electricity , then plug into the long-distance dc networks developed for wind power to carry the juice to the cities .
他们想在沙漠地带铺满钢片镜和玻璃镜,利用反射的阳光把水烧开进行发电,然后接入为风力发电所开发的长途直流电网中,把电输送到城市去。
Ultimately , however , edison failed to establish dc as the standard , because ( as he must himself have known ) ac is a more efficient way of transmitting power over long distances-and it is ac that is used today .
但最终,爱迪生还是没能让直流电成为行业标准用电,因为(就像爱迪生自己已经了解的那样)在远程传输上,交流电比直流电更加有效今天人们就是这样使用交流电的。