词汇	How tall is that tree?
释义	How tall is that tree? 那棵树多高?
随便看	sampled-data analog circuits sampled data analog computer sampled-data analog computer sampled-data analog signal processing sampled-data circuits sampled data computer sampled-data computer sampled data control sampled-data control sampled data controller sampled-data controller sampled data control system sampled-data control system sampled-data control systems sampled-data control theory sampled data feedback system sampled data filter sampled-data filter sampled-data filterscanning filter sampled data flight control system sampled data measurement sampled-data measurement sampled data measurements sampled data mode sampled-data model