单词：central force
central force的用法和样例：
例句
- A central force is a radial force which depends only on the distance from the origin.有心力是一种径向力，它的大小只取于离原点的距离。
单词：central force 相关文章
You get me a bigger one? We got one more guy to try. Alright. And he is, he is a locked animal, so let's see what we can do. Peggy takes me to the biggest most aggressive wolf here. He is over a hundred pounds. So that is a big male. This wolf lost i
国家地理2007年
ECONOMICS REPORT - U.S. Central Banker Alan Greenspan Prepares to Retire By Mario Ritter Broadcast: Friday, November 18, 2005 I'm Steve Ember with the VOA Special English Economics Report. The chairma
健康与经济
By Lisa Schlein Geneva 24 July 2007 The International Committee of the Red Cross is stepping up humanitarian operations for 100,000 displaced people in the Central African Republic. A Red Cross Official just back from the CAR tells VOA these people a
2007年VOA标准英语（七月）
Central banks of the leading industrialized nations are working together to try to ease a financial crisis that originated in the United States but has roiled markets worldwide. From Washington, VOA's Michael Bowman reports. A Wall Street street sig
VOA标准英语2008年（九月）
By Naomi Schwarz Dakar 25 May 2007 A rebel leader in the Central African Republic says about1,000 rebels from a rival group have occupied a town near the border with Sudan. The men are reported to be part of a splinter organization within the Union o
2007年VOA标准英语（五月）
By Deborah Tate Capitol Hill 20 March 2007 A U.S. State Department official says the United States is pressing Chad to accept a U.N. peacekeeping force to help secure regional stability. The official told Congress the violence in the neighboring Dar
2007年VOA标准英语（三月）
India's Central bank has hiked interest rates in a bid to tackle inflation which is at its highest rate in over a decade. But as Anjana Pasricha reports from New Delhi, there are fears the measure will slowdown growth in one of the world's fastest g
VOA标准英语2008年（七月）
Last week, the U.N. Security Council approved a request for a temporary surge of 3,000 peacekeepers to bolster the overstretched U.N. mission in the Democratic Republic of Congo, or DRC. Possible troop contributors met on Wednesday at the United Nat
VOA标准英语2008年(十一月)
The People's Liberation Army is marking the 91st anniversary of its founding on August 1, 2018. This year's anniversary comes amid continued national reforms under the leadership of Xi Jinping, who heads the CPC Central Committee and the Central Mili
2018CRI中国国际广播电台
By Kari Barber Dakar 29 October 2007 A new World Conservation Union report says a large number of the world's endangered primates are at risk of extinction in West and Central African countries. Experts say hunting for bushmeat is threatening the ani
2007年VOA常速英语（十月）
By Barbara Schoetzau New York 29 February 2008 The United Nations is asking for $32 million in immediate humanitarian aid for the Central African Republic (CAR). The UN's humanitarian coordinator, Toby Lanzer, says the aid will help stabilize a volat
VOA常速英语2008年（二月）
African-Led Peacekeeping Force Due for Boost in CAR 非洲为主的维和部队协助安定中非 BANGUI An African-led peacekeeping force in the Central Africa is due for a boost in numbers, as the international community weighs a response to the on
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By Navbahor Imamova Washington 16 November 2007 In most of Central Asia women are still struggling to find their place in the political arena. Despite the Soviet legacy of gender equality, women are still underrepresented in the highest levels of gov
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唤醒天使与魔鬼的对话：Force Of The Shore Song：Force Of The Shore Appearance is deceptive So perfect in disguise Therea?s more than what you see A semblance is protective A blinder for the eyes A place to hide and flee Flee and you all ne
英文摇滚歌曲
U.S. and European central banks have in unison cut their interest rates by half a percentage point. The coordinated move is aimed at bringing some stability back to the shaky global economy and slumping stock markets. For VOA, Tom Rivers reports fro
VOA标准英语2008年（十月）
By Barry Wood Washington 14 February 2008 In a rare joint appearance before a congressional committee Thursday, the U.S. treasury secretary and the head of the central bank said the U.S. economy has weakened but will probably avoid recession. VOA's B
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By Anita Elash Paris 02 August 2007 The international community has thrown its support behind the United Nations resolution authorizing a 26,000-strong peacekeeping force in Darfur. The force is to be in place by January. But some experts say getting
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LONDON, Jan. 16 (Xinhua) -- Two people were killed and another two were injured after a helicopter crashed into a construction crane near Wandsworth Road, south of River Thames in central London earlier on Wednesday. Two people confirmed dead at scen
英语新闻
By Michael Bowman Washington 13 August 2007 Stock markets in Europe and Asia posted gains Monday, while U.S. stock marketsfell slightly. VOA's Michael Bowman reports from Washington, investors appeared reassured after central banks added cash to comb
2007年VOA标准英语（八月）
CHANGSHA, July 5 (Xinhua) -- A section of a highway running near a major river in central China's Hunan Province caved in early Thursday, engulfing a passing vehicle and killing at least one person aboard. The cave-in, near the Poly International Pla
英语新闻