The composition mode of REE and distribution mode of REE show that this mode of distribution of REE is typical Marine deposit and belongs to genesis of Marine deposit.
稀土组成模式及稀土元素配分模式图表明是较典型的海相沉积物稀土配分模式。
The mode of distribution network must consider four points which include cost, demand, distribution time, how to choose distribution center and supply to which demand points.
建立分销网络模型，必须考虑成本、需求、配送时间、如何选择分销中心及确定向哪些需求点供货这四个要点。
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