Higher exchanging rate of the first circulating day for an IPO can not obtain a higher medium and long return, and it even has a negative relationship with the later.
新股高的首日换手率并未带来相对高的中长期收益，甚至首日换手率高低与新股中期超常收益率有一定程度负相关性；
Methods To review the clinical information and references, and compare the recurrence rate and the survival time of the patients with subtype exchanging and the patients without subtype exchanging.
方法复习原发性腹膜后脂肪肉瘤临床资料及文献，总结伴有亚型转化的原发性腹膜后脂肪肉瘤病人的生存时间及复发率。
Conclusion the subtype exchanging in the patients who suffered from the primary retroperitoneal liposarcoma can increase the recurrence rate.
结论亚型转化使腹膜后脂肪肉瘤的复发次数增加而不影响生存期。
Results the recurrence rate of the patients with subtype exchanging was higher than that of the patients without subtype exchanging, but the forme lived longer.
结果伴有亚型转化的病人平均复发次数高于非亚型转化病人，但生存时间较长。
Foreign central banks, nervously eyeing the ratio of dollars outstanding to gold in the Treasury's vaults, began prudently exchanging greenbacks for bullion at the posted rate of $35 per ounce.
外国央行一直在关注自己国库中尚未兑换成黄金的美元比例。 它们有些紧张了，开始审慎地将美元按照每盎司35美元的牌价兑换成金条。
Foreign central banks, nervously eyeing the ratio of dollars outstanding to gold in the Treasury's vaults, began prudently exchanging greenbacks for bullion at the posted rate of $35 per ounce.
外国央行一直在关注自己国库中尚未兑换成黄金的美元比例。 它们有些紧张了，开始审慎地将美元按照每盎司35美元的牌价兑换成金条。
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