It decomposed the reliability function of complex system and mapped to performance index. Then, the performance index mapped to components and constructed tree modeling in turn.
它将复杂系统可靠性功能分解并映射到性能指标上，再将性能指标映射到部件上，依次构成树状模型。
Tree modeling USES the iterated function system based on fractal theory. The parameterized curve is used to simulate the bending state of tree branches.
树木建模采用分形理论的迭代函数系统来完成，建模时着重实现了以参数化曲线拟合的方法来模拟枝条的自然弯曲状态。
Tree modeling USES the iterated function system based on fractal theory. The parameterized curve is used to simulate the bending state of tree branches.
树木建模采用分形理论的迭代函数系统来完成，建模时着重实现了以参数化曲线拟合的方法来模拟枝条的自然弯曲状态。
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