a campaign to encourage childless couples to adopt鼓励无子女夫妇领养孩子的运动Many childless couples adopt children.许多无子女的夫妇收养孩子.A higher'co - efficient of preservation'characterises married women with children than childles...
讨论了采用不同的电磁多极场作为动态校正器的可能性.推导了圆形校正透镜、偏转校正场和四极、六极校正场引起的附加象差的公式.The possibility of dynamic aberration correction by using electro - magnetic multipole fields is discussed....
ObjectiveTo observe the effect of comprehensive therapy on forearm extensor myotenositis.目的观察综合疗法治疗前臂伸肌腱周围炎的康复效果.The anatomy of extensor digitorum brevis ( EDB ) and extensor hallucis brevis ( EHB ) is also dicussed.同时对拇...