提出了一种应用于频率综合器的全差分电荷泵电路.A fully differential charge pump for a frequency synthesizer is proposed.杂散是影响分数N频率综合器性能的重要指标.Spur is the key specification that affects the performance of fractional - N frequency synthesizers.本文介...
...a prize-giving for cattle-breeding.养牛展的颁奖仪式Birth is much,but breeding is more.出身重要,教养更重要。Also needed is more investment in livestock research, such as breeding for hardier animals.同时人们还要加大对家禽研究(例如培育适应性更强的品种)的投资.It...
其它治疗手段包括收敛剂和局部或口服的药物治疗.Other lines of attack include astringents and topical or oral medications.此外, 那些药物主要开发为注射剂 、 植入剂和贴剂, 而不是可口服的药丸.In addition, they are mainly being developed as injections, implants and patches, rath...