At the same time, the crowding phenomenon in ports is also becoming increasingly serious, which leads to unnecessary nonproductive stay in port.
于此同时，我国很多港口的拥挤现象也越来越严重，导致船舶在港的非生产性停留时间很长。
But this phenomenon is difficult to prove since the extent of crowding out will vary with the economic cycle.
但这种情况不可一概而论，因为“挤出”的程度因经济周期而不同。
But sometimes in the field of white version also appeared, the performance of another phenomenon: crowding out.
但有时在实地白版中也出现，表现为另一种现象：排挤。
Industrial cluster is not the phenomenon of many companies crowding together, it has an extremely complex and integrity systematic relationship.
产业集群并不是众多企业的扎堆现象，其内部具有极为复杂和完整的系统关系。
Industrial cluster is not the phenomenon of many companies crowding together, it has an extremely complex and integrity systematic relationship.
产业集群并不是众多企业的扎堆现象，其内部具有极为复杂和完整的系统关系。
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