In this scheme, FEC combined with ARQ and RS ( 63,47 ) code are adopted.在该方案中采用FEC(前向纠错)和ARQ ( 自动请求重传 ) 相结合的方法,选择RS(63,47)纠错码.While ARQ performs very high reliability and adapts the diversity of transmission channel.ARQ可...
Use a weatherproof rucksack to carry your camera and lenses around in.用防风雨的帆布背包装照相机和镜头。Projector designed for floodlighting, usually capable of being pointed in any direction and of weatherproof construction.为泛光照明设计的投光系统...
Ecuador provides a perfect introduction to South America; it's a continent in miniature...厄瓜多尔是认识南美洲的绝佳切入点，它是南美大陆的缩影。The railroad traverses the Continent from East to West.铁路东西横贯北美大陆....the African continent.非洲大陆Vap...
The priest made the sign of the cross over him.神父在他上方画了个十字。The priest frowned into the light, his face puzzled.神父在亮光下皱起了眉头，一脸疑惑。The priest's eyes were squeezed shut against the light.牧师紧闭双眼，以避开强光。...