单词:four bar linkage mechanism
单词:four bar linkage mechanism 相关文章
Janice Lieberman: America is a cell phone nation, dialing, texting and ringing, nonstop. (Inaudible) Ding? Yeah? Hello? Janice Lieberman: Although we can't live without our cell phones, most people do
Grainy images' secretly taped by Russian agents, the subject, a British diplomat -- part of an alleged spy ring in the Russian capital. The country's Federal Security Service, the old KGB has named fo
It's not easy to knuckle down to the responsibilities of a working week and a wounded world after the excitements of the Olympic experience which has taken us all by surprise. 在令人惊叹的奥运会之后,人们一时间很难从激动的状态中
Intermediate filaments - unlike microfilaments and microtubules, they are verystable. Instead of being stacked proteins, as in actin, intermediate filaments are built of interlocking proteins. A dense
It is Monday morning which means it is time for another installment of This I Believe. And today our essay comes from an NPR listener in Herndon Virginia. 26-year-old Angelina Michetti is a contracting officer for the federal government, but her beli
I think the people in Gaza have been disappointed up to now. You would remember that at one point, 18 months ago, there was in mind the production of flours and fruits in Gaza, and opening of the borders with Israel, and airport, the seaport, the lin
Health Services in eastern and central Kenya are getting a big boost through a new $100 million dollar program. The U.S. development agency, USAID, has awarded the funds to an international non-profit organization affiliated with Johns Hopkins Univer
April 19 Brings US Painful Memories They are tragic images seared into Americas collective memory, and both took place on April 19. The 1993 siege at the Branch Davidian compound in Texas and resulting fire killed more than 70 members of a radical re
辽宁省政府日前批准了在丹东市设立国门湾中朝边民互市贸易区,预计今年10月投入运营。 请看《中国日报》的报道: A border trade zone between China and the Democratic People's Republic of Korea (DPRK), locat
When the positions of the pits were computer modeled against the movement of the sun, the true importance became clear. The calculation showed amid the summers day, the eastern pits alignment with sunrise and western pits alignment with sunset, inter
JUDY WOODRUFF: First lady Michelle Obama late today tweeted a picture of herself holding up a sign with the hashtag #bringbackourgirls. Jeffrey Brown picks up the story here. JEFFREY BROWN: And for a closer look at the situation in Nigeria and here i
Developing countries in Africa are bracing for serious setbacks in their economies. One of the countries that may feel the effects of the downturn more acutely than others is Kenya, which suffered months of political unrest earlier this year. VOA Co
马航失踪飞机搜索工作仍继续 Planes and a ship scrambled to find a pallet and other debris in the sea in an effort to determine whether the objects are from the Malaysia Airlines jet that has been missing for more than two weeks. China has
WASHINGTON, March 21 (Xinhua)-- The crisis in the euro zone has sent shocks to the United States through trade and financial channels, given the important cross-Atlantic economic linkage, U.S. Federal Reserve Chairman Ben Bernanke said Wednesday. The
The Philippines said Wednesday it will join the China-backed Asian Infrastructure Investment Bank, despite being engaged in a dispute with Beijing over its claims in the South China Sea. 据报道,菲律宾不顾与中国政府关于南海领土划分
Is climate change the cause of extreme weather events? Until now the link has been suspected but never confirmed with scientific confidence. That position is now changing. A new study from the US confirms that for some extreme events there is a causa
债转股 debt-to-equity swap 港元的联系汇率制 the linkage system between the US dollar and the HK dollar 坏帐、呆帐、死帐 bad account/ dead account/ uncollectible account/bad debt/ bad loan 反倾销措施 anti-dumping measures again
Stairs present a difficult challenge for most robots, but not for Roveo. Swiss startup Rovenso's remotely operated rover has been designed for use in disaster zones inaccessible due to contamination and rough terrain. Roveo weighs about 300 kilograms