The other is that the volatility is assumed to be stochastic and the price of the underlying asset is a levy process, namely we can further promote the model on the basis of the first one.
假设波动率是随机的，且资产价格服从l evy过程，即在前述模型基础上作了进一步推广。
Tranexamic acid, explains Jerrold Levy of Emory University, in a comment piece accompanying the paper, interferes with the process of fibrinolysis, the breakdown of clots.
美国艾莫利大学的杰罗尔德 列维在该论文的补充解释中说，氨甲芳酸干扰了纤维蛋白溶解过程，即血块的溶解。
That process may have started inadvertently in 1956 when the British administration of the Gilbert Islands in Micronesia put a levy on the export of phosphates-bird manure-used in fertiliser.
这个过程在1956年本来可以自然开始的，那时在位于密克罗尼西亚的吉尔伯特群岛上英国管理部门对出口用作肥料的磷酸盐-鸟的粪肥-强制增税。
Concerning theoretical research and policy making, our country is still on the groping stage about how to levy income tax on the income derived from the process of the merger.
如何对企业合并过程中产生的所得征税，在税收理论研究和政策制定上，我国尚处于摸索阶段。
The levy of tax on real estate not only relies on the structure of the tax, but also goes through the whole process of the responsibility to pay for tax till the taxed fund went into storage.
房地产税收的征管不仅依附于税制结构，而且贯穿于从纳税义务产生开始到税款入库的全过程。
The levy of tax on real estate not only relies on the structure of the tax, but also goes through the whole process of the responsibility to pay for tax till the taxed fund went into storage.
房地产税收的征管不仅依附于税制结构，而且贯穿于从纳税义务产生开始到税款入库的全过程。
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