background current

基本解釋

Background Current estimates of the costs of cancer care in the United States are based on data from 2003 and earlier.
目前美國(guó)腫瘤醫(yī)療費(fèi)用的預(yù)測(cè)都基于2003年以前的數(shù)據(jù)。
Background Current survival models for primary biliary cirrhosis have limited precision for medium and long-term survival.
當(dāng)前對(duì)原發(fā)性膽汁性肝硬化患者生存模式的預(yù)測(cè)，多局限在預(yù)測(cè)其中期和長(zhǎng)期得生存率。
If the background current is the opposite polarity, these unwanted currents could cause a reverse polarity current reading.
這就是說(shuō)，電流的極性和所加電壓的極性相反，于是計(jì)算出的電阻將為負(fù)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