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 .
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 .
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 .
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 .