background current

基本解释

Background Current estimates of the costs of cancer care in the United States are based on data from 2003 and earlier.
目前美国肿瘤医疗费用的预测都基于2003年以前的数据。
Background Current survival models for primary biliary cirrhosis have limited precision for medium and long-term survival.
当前对原发性胆汁性肝硬化患者生存模式的预测，多局限在预测其中期和长期得生存率。
If the background current is the opposite polarity, these unwanted currents could cause a reverse polarity current reading.
这就是说，电流的极性和所加电压的极性相反，于是计算出的电阻将为负值。

Selecting a new and equally compliant bunch against the current background of popular democratic sentiment could prove a bit trickier.
ECONOMIST: Hong Kong
Engineering the nomination of a new, equally compliant committee against the current background of popular democratic sentiment could prove tricky.
ECONOMIST: Dumping Tung The