摘要： Just 33 minutes into the New Year, NASA's New Horizons probe made space exploration history, flying by the most distant body ever visited by a spacecr 阅读全文

摘要： Analog-digital circuit 1. Insure C36 and C33 placed next to each other to avoid open stubs 2. Keep UART lines away from 26 MHz traces 3. Keep 26 MHZ t 阅读全文

摘要： Violin prodigies (神童), I learned , have come in distinct waves from distinct regions . Most of the greatperformers in the late 19th and early 20th cen 阅读全文

摘要： Progress in fighting Democratic Republic of the Congo's Ebola outbreak, the second worst ever, will be reversed if fighting continues around the disea 阅读全文

摘要： China's Chang'e-4 probe entered a planned orbit Sunday morning // to prepare for the first-ever soft landing on the far side of the moon, the China Na 阅读全文

摘要： A hundred years ago it was assumed and scientifically “proved” by economists that the laws of society made it necessary to have a vast army of poor an 阅读全文

摘要： The leaders of the two countries are planning their summit meeting with a (pledge) to maintain and develop good ties.两国的领导人计划举办一场发表誓约的峰会以维持和发展彼此良好的关系。 阅读全文

摘要： There are so many new books about dying that there are now special shelves set aside forthem in bookshops , along with the health 一diet and home-repai 阅读全文

摘要： As an Electrical Engineer at P, you will: Design, build, and verify PCBAsCreate, modify, and update schematics, BOMs, and PCB layouts for new and exis 阅读全文

摘要： Riding a bike is good exercise and great fun. But what do you do with a bike after you outgrow it? NicoleBasil, 12, has a terrific answer to this ques 阅读全文