With the development of ADC technology and IC technology , digital receiver technology becomes maturely.随着AD转换 技术和大规模集成电路的的发展, 数字中频接收技术日趋成熟.At present applies most absorbents is the activated charcoal, applies maturely a...
Have tough - minded boy only , ability appeases billows, hoist the sails Yuan Hang.只有意志坚强的小伙子, 才能平息波澜, 扬帆远航.Hong Kong white - collars when work often appeases hunger by between - meal snack.香港 白领 在工作时就常以零食充饥....
Pesticide levels in food are simply too difficult to calibrate.食品中杀虫剂的含量很难精确测定。to calibrate an instrument校准仪器...instructions on how to calibrate a thermometer.如何标定温度计的说明A direct means is required to calibrate the indirec...