In this paper, the hardware design of IPTV set - top box is introduced.本文详细介绍了IPTV 机顶盒 的硬件系统设计.With lifetime 100,000 mating cycle , application include: set - top box, smart meter.使用寿命可达10万次, 主要应用于机顶盒, 三表及各类计价器.Start ove...
The alveolar macrophage is derived largely from the bone marrow.肺泡巨噬细胞主要是从骨髓中分化出来的.The alveolar macrophage is particularly rich in the variety of proteolytic enzymes.肺泡巨噬细胞特别富含各种蛋白质水解酶.At any time the macrophage system m...