This paper analyzes dynamic decision and risk selection in different states by developing a stochastic game model for two companies with multi-steps of technological development.

通过建立两个企业多阶段技术开发随机对策模型，分析了在不同状态下企业的动态决策和风险选择。

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The CVMP acknowledged that there is a risk of co-selection for resistance associated with the use of zinc oxide, but at the present time, that risk is not quantifiable .

兽药委员会承认使用氧化锌有一定抵抗疾病风险的能力，但是对于目前来讲，该风险是不可量化的。

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The author also considered the optimum portfolio selection problem with risk-free assets and gave a instance to show how to solve the problem.

进而，本文考察了加入无风险资产后的最优组合问题，并给出了一个例子的求解。

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Former South Africa coach Mallett admits he is taking a risk with the fly-half selection but insists he will give Masi time to get used to the position.

BBC: CHOOSE A SPORT

Portfolio risk can be reduced with proper asset class selection.

FORBES: Choices in Portfolio Rebalancing

If you decide you can accept some risk, you can balance the riskier elements of your portfolio with a selection of less risky, more easily accessible investments.

BBC: Cashing In guide: investment