It also works well with existing products that are highly competitive and standardized, especially when they are of low unit-value and have high turnover.
如果产品本身极具竞争力，而且比较规范，那么，促销也适用于现有产品。尤其是如果这种产品单价较低而且流通量大。
There are high correlation between service value of per unit and type of ecosystem.
单位面积服务价值的大小与生态系统的类型有着高度的相关性。
There are two high value trop of gravity anomaly in the central rise belt-second order structure unit of the Northern depression are the oil and gas prospect district.
对其中的北部坳陷中的二级单元——中部隆起带，提出它的两个重力高值隆起圈闭区是有利的两个含油气远景区。
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