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- The B-S model hypothesis bond obeys the lognormal distribution, it have some flaws when using it to price the rate derivatives bonds. B-S模型假定债券服从对数正态分布，利用它来对利率衍生产品定价时有一些缺陷。
- In this paper, based on some changes of the model hypothesis in [20][21], we get the necessary condition under which the quadratic linear estimators are admissible. 本文的工作是改变[20],[21]中关于线性模型假设的条件,得到了二次型线性估计是可容许估计的必要条件。
- J-M prediction model hypothesis of software reliability needs a stricter requirement for reliability test data and it is not so consistent with the fact. 软件可靠性J-M预计模型对可靠性测试数据的假设要求比较严格,与实际情况不太符合。
- Model hypothesis and model foundation are the two most important steps in the process of mathematical modeling, and they comprise two important parts of principle analysis. 在数学建模过程中,模型假设与模型建立是最重要的两个步骤,两者构成机理分析的重要环节。
- Standing by him was a model worker. 站在他旁的是一位劳动模范。
- I think I can get that special model for you. 我想我可以为你找到那种特别的型号。
- She has been held up as a model worker. 她被推举为模范工作者。
- He showed us a model of the new office building. 他给我们看了新办公楼的模型。
- He taught Tom how to make a model airplane. 他教汤姆作模型飞机的方法。
- John is repairing his model plane at his leisure. 约翰不慌不忙地修理着他的航模。
- The old sailor chipped out a tiny model boat. 那名老水手一点儿一点儿地削出一个小船模型。
- The luxury model gives a smoother ride. 坐这种豪华型汽车感觉很平稳。
- That beautiful girl is a fashion model. 那位漂亮的女孩是一位时装模特儿。
- The new model delivers speed and fuel economy. 这种新型设计能提高速度、 节约燃料。
- He assembled the model aircraft bit by bit. 他一块一块地装配飞机模型。
- He traded in his car for a new model. 他把旧汽车折价添钱买了辆新型号的。
- This model scrolls far too slowly. 这种型号的计算机文本上下移动得实在太慢。
- The model plane got out of control and crashed. 模型飞机失控坠落下来。
- This washing machine is the latest model. 这种洗衣机是最新型产品。
- He lost one of the pieces of his model engine. 他的火车头模型缺了一个零件。
