在绿柱石的,它的所有约提供最好的巧克力在马来西亚举行.At Beryl's it's all about delivering the best chocolates in Malaysia.天然祖母绿 、 合成祖母绿、绿色绿柱石在成分和外观上有一定的相似性.Natural emerald, synthetic emerald and Sreen beryl sometimes have similar appear...
介绍一种微伏信号放大系统设计方法, 该系统主要由放大 、 滤波以及隔离输出三部分组成.Introduced a design of microvolt signal amplifier, which consists of amplifiers, filters and isolation.如果伏特作单位太大, 我们可用毫伏或微伏.Where the volt is too large a unit, we use the milliv...
灰白的天空中满是迁徙的飞鸟。Migrating birds filled the pale sky.他张弓搭箭能射落空中的飞鸟.He was able to shoot down a flying bird with the bow and arrow.飞鸟的歌声听着也有点瘆人.And the music of the fluttering birds had an eerie lilt to it....