垂直价差策略（Vertical Spread），指买入一个期权的同时卖出一个期权，这两个期权具有相同合约标的和相同到期日，但具有不同的行权价。
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...格下跌幅度极大时,下列何种选择权策略能够获利 (A)买进蝶状价差策略(Butterfly Spread) (B)买进水平价差策略 (Horizontal Spread) (C)买进混合价差策略(Strangle) (D)放空跨式部位(Straddle) 80.
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水平式价差策略 Calendar spread ; Calendar r spread ; calendar read
价差策略 Spread Strategy ; Bear Spread Strategy ; Bear Spreads
牛市价差策略 Bull Spread
比率价差策略 Ratio Spread
纵列价差策略 Tandon Spread
看多价差策略 Bull Spreads
跨期价差策略 Calendar Spreads
牛市看涨期权价差策略 Bull call Spread
无差异性营销策略 Standardized Marketing ; undertake ; undifferentiated d marketing
针对传统知识工程的人工代价高、周期长而可移植性差的问题，本文提出了一种“知识标注”的策略以解决知识库的复用问题。
To deal with the problem of high cost but poor portability in traditional knowledge engineering, this paper proposes a strategy based on the conception of "knowledge annotation".
但是，从纳什均衡的分析模型看，我国银行代收费业务中对付费委托方知情权保护的策略无疑是最差或次差的。
But from the perspective of Nash equilibrium, the strategy designed to protect the client 's right to know in the bank bill payment service in China is extremely inefficient.
为了提高系统的跟踪准确度，笔者提出在线辨识参数的改进无差拍控制策略。
In order to improve the track accuracy of the system, the on-line identification parameter method is used and the parameters of controller can be corrected instantly.
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