Study on Dual-Polarized Dielec 双极化介质谐振器天线和低旁瓣圆极化微带天线阵的研究
OBJECTIVE To carry out an empirical study on dual referral of pregnant women and lying-in women for childbirth and health care.
目的开展孕产妇分娩与保健双向转诊的实证研究。
BACKGROUND: There has been a lot of foreign scholars' study on dual relationship between therapist and client in the past 20 years.
背景：近20年来国外的心理治疗学者对治疗师与来访者之间双重关系的研究颇多。
Inverse and dual combination operator is defined as a new genetic operator based on respective application study of inverse operator and dual operator, which can improve local searching.
在逆序算子和对偶算子的性能研究基础之上，设计了逆序与对偶组合遗传算子，增强了局部搜索性能。
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