认为技术的价值负荷主要包含两个方面，一是技术自身具有正负价值的两面性表现；
Technological value charge contains mostly two aspects. On the one hand, it is that technology itself has twain characteristics with positive and negative values;
公司财务杠杆具有正负效应，并与企业价值呈相关关系。
The financial leverage of companies has straight negative effects, and presents relevant relations with companies' value.
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