近年来的研究表明，溶栓治疗的时间窗应个体化。
The recent studies have shown that the therapeutic time window (TTW) for thrombolytic therapy should be individualized.
肺灌注显像具有一定的诊断价值，规范化溶栓治疗，可显著改变预后。
Radioactive nuclide lung perfusion plays an important role in diagnosis of PE. The standard thrombolytic therapy may improve the prognosis significantly.
不定根和地下茎的周皮发达，栓质化程度高；
Adventitious roots and rhizome have much periderm, the suppository level is high;
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