At first, it confirms primary object and create the index system.
首先确立了城市经营的主要对象，并建立了评价指标体系。
The primary object is to use the least transfer times, the second is to choose the shortest route distance.
第一目标是换乘车次最少，第二目标是出行路程最短。
The primary object of the present invention is to provide a substantially lead free alloy that is press quenchable.
本发明的主要目的是提供可模压淬火的基本不含铅的合金。
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