以枸杞水提液中多糖含量为指标。
Select the contents of Lycium barbarum L. polycose from the extract solution as the target.
由于这些指标与一个国家的财富密切相关，他们以人均国民生产总值为控制变量来看它是否能够单独解释择偶策略的差别。
Since there is a strong correlation between these variables and a country's wealth, they controlled for GNP per head by measuring whether it alone accounted for the difference in mating strategy.
那些以当日交易量为指标控制自己头寸的投资者也面临同样的问题。
The same difficulty faces investors who control their positions on the basis of daily market volumes.
应用推荐