Ear recognition is a new technique of biological recognition and the research on ear recognition is still in the preliminary stage currently. The mature theory or method has not been found yet.
人耳识别是一种新的生物特征识别技术，目前，研究尚处于起步阶段，有关的理论和方法还很不完善。
The application of statistics in packaging and weighing system of chemical powder and granule products, either in the respect of profundity or extensiveness, is in the preliminary stage at present.
数理统计在粉粒产品包装计量中的应用，不论从深度和广度上讲，目前都尚处于初级阶段。
Achievement motivation determines whether a node sponsors or participates in a negotiation as well as the principle of setting initial price in the preliminary stage.
协商初始阶段，成就动机的强烈程度支配节点发起或参与一次协商，同时影响初始价的设定。
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