Are vehicles allowed to enter the property without authorization or approval? Is positive identification required? Please explain.
未被授权或者允许的车辆是否可以进入工厂？是否有积极的验证措施？请解释。
It finds that abroad patent authorization has positive effects on low-technology export commodity, and domestic patent authorization has positive effects on high -, mid-technology export commodity.
研究结果表明，国外专利授权对低类技术商品出口的促进作用显著，国内专利授权对中、高类技术商品出口的促进作用明显。
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