单词:time and frequency standards
单词:time and frequency standards 相关文章
英文释义 Describing a purchase made in cash and paid in fullimmediately. (NOTE: barrelhead is the flat top of abarrel,which is sometimes used as a table.) 例句 Most vendors in the street market want to be paidcash on the barrelhead, and will no
Passage 1 11 A Washing plates B Cleaning tables C Shining shoes D Sweeping the floor 12 A He must work six days a week B He should never be late for work C He must study hard in his spare time D He sh
WHITE HOUSE President Donald Trumps administration wants to shut down U.S. government radio stations that announce official time, a service in operation since World War II. WWV and WWVB in the state of Colorado and WWVH on the island of Kauai in the
06Starting a Franchise Business GLOSSARY franchise a business that has permission from a larger company to sell goods and services using the brand, advertising, and operations of that larger company* Do you think you want to join me in starting a fra
Welcome to Words and Their Stories, from VOA Learning English. On this program we explore common expressions in American English. Like all languages, our expressions come from everywhere. They come from nature, sports, and food. They come from money,
Specific times Question When do you . . . (present tense) I usually/always . . . in the evening at 9:00 on Mondays before dinner after I eat lunch when I get home When did you... (past tense) I (past tense) last night before class while I was eating
So I became very err.... captivated by computer. 我完全给计算机迷住了 And a computer to me was still a little mysterious 当然计算机对我而言仍然有些神秘 cause it's at the other end of wire,I had never really seen the actual co
More than 10,000 teachers marched this morning as a protest against education changes. About 4,000 protested in Auckland and 2,000 in Wellington. All around the country, in 26 towns, groups of teachers marched in protest. The protest was organised by
Three radio stations in the United States mainly broadcast one thing: the official time. The three are radio stations WWV and WWVB, in the state of Colorado, and WWVH, on the island of Kauai in Hawaii. They send out signals that are used by millions
Frame In time division multiplexing systems, Frame is a sequence of time slots each containing a sample from one of the channels carried by the system. The frame is repeated at regular intervals, (nor
flavor of the month 当期热卖英文释义 Anything that is temporarily popular or in fashion. (NOTE a reference to new ice cream flavors thatAmerican vendors introduce monthly to boostsales.)例句 I not buying the popular new electronic device, b
Are Children Taking Too Many Tests? Urban school systems in the U.S. give too many tests, says a new study. President Obama agrees. In an open letter to parents, he asks: Ive got a pop quiz for parents and teachers across the country. If our kids had
Well, I was born with a rare visual condition called achromatopsia, which is total color blindness, 我出生在一个色彩极少的世界,世界只有明暗之分,这叫做全色盲 so I've never seen color, 所以我不知道什么是颜色, a
Voice 1 Hello. Im Rachel Hobson. Voice 2 And Im Mike Procter. Welcome to Spotlight. This programme uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 Welcome to our li
Hi, everybody. 大家好! I'm here at Children's National Medical Center in Washington, D.C., visiting with some kids being treated here all the time for asthma and other breathing problems. 此刻,我在华盛顿特区的国家儿童医疗中心,
华盛顿:在本周的讲话中,奥巴马总统向美国人民声称现在是时候提高教育系统的标准以确保每个教室都是充满期待,有优异成绩出现的地方。周五,总统先生宣布各州在制定改进教学质量的
JUDY WOODRUFF: This month, Oklahoma became the latest state to take a big step toward repealing the Common Core education standards. The Oklahoma State Senate passed a bill just last week to do so, this as more than a dozen other states are consideri
Disappearing words 消失的文字 Kate: Hello, I'm Kate Colin and this is '6 Minute English' - and thanks to Jackie Dalton for joining me today. Good Morrow Jackie! Jackie: Ehpardon? Kate: Good Morrow! I beseech thee, whence comest thou? Jackie: ErmmKat
Critics slam OCR chief for saying pupils should be allowed to use Google when sitting GCSE and A-level exams. 牛津剑桥联合考试委员会(OCR)主席提议学生应获许在参加普通中等教育会考及大学入学考试中使用谷歌,他
13.火车驶出站不久我就睡了过去。当我醒来时,我发现自己靠在一位中年女士的肩上,她正带着一种圣洁而温柔的母爱对着我笑呢。 I soon fell asleep after the train pulled out of the station and when I wok