求翻译：衍生工具可以可分为利率衍生工具和信用衍生工具。前者按其风险－收益特性可以分为对称性衍生工具，主要是指远期、期货和互换，而期权属于非对称性衍生工具，其风险－收益特征表现出典型的非线性。而后者主要通过采用分解和组合技术改变资产的整体风险特征，如信用互换、信用期权以及信用远期等。是什么意思？

Derivatives can be divided into interest rate derivatives and credit derivatives. The former according to their risk - return characteristics can be divided into symmetry derivatives, mainly refers to the forwards, futures and swap options, while the non-symmetry derivatives, the risk - return chara

derivatives can be divided into interest rate derivatives and credit derivatives. The former are the risk-return characteristics can be divided into symmetry, derivatives, and is mainly refers to long-term, futures and swaps, and options are non-symmetrical, derivatives, and their risk-return charac

Grows the tool to be possible to be possible to divide into the interest rate derivation tool and the credit derivation tool.The former may divide into the symmetrical derivation tool according to its risk - income characteristic, mainly is refers to forward, the stock and the exchange, but the opti

Derivative instruments can be divided into interest rate derivatives and credit derivatives. Former according to their risk-return characteristics of symmetry can be divided into derivatives, mainly refers to the forward, futures and swaps, and options are non-symmetric derivative, the risk-return c

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