破坏性和恶性的绒毛膜上皮癌往往是葡萄胎所引起.The destructive and malignant neoplasms of chorionic epithelium often arise from hydatidiform moles.目的:提高人绒毛膜促性腺激素 ( HCG ) 的活性回收率,简化HCG的纯化步骤.AIM To improve the purification method of Human Chorioni...
这笔钱大约有一半来自个人捐赠及遗赠.About half this amount comes from individual donors and bequests.图书馆从当地一位商人那里得到了一大笔遗赠.The library has received a generous bequest from a local businessman.他留下一些钱遗赠给他所有的朋友.He left bequests of money to al...