American intelligence agencies are poring over threat information that could help indicate what groups may have taken part in the attack .
美国情报机构正在研究威胁信息，该信息或有助于显示哪些组织可能参与了袭击。
Regulators , politicians and industry groups are now poring over ways to improve the calculation of such rates ( see free exchange ) .
监管者，政治家和工业团体正仔细研究方法来改善这些利率的计算方法（见自由交流栏目）。
Poring over their results , the researchers identified 33 regions on thep . Falciparumgenome that appear to be under strong selection for artemisinin drug resistance .
It is painfully acquired through hours of poring over grammar textbooks and memorising the koran .
只有通过（每天）数小时研读语法课本和背诵《古兰经》才能痛苦地学会。
Economists in the stricken west have been poring over the data on the deflation that it has suffered since the bursting of the asset-price bubble in 1990 .
