Combined with different growth rules, the different tree species growing in natural is simulated.

结合不同的生长规则，可模拟不同树种在自然环境中的生长形态。

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SLEUTH model is a kind of ca, it is composed by four growth rules and five coefficients, in conjunction with the excluded layer and the slope layer, it can successfully model the urbanization.

SLEUTH模型是元胞自动机模型的一种具体实现，它包含了四种城市增长方式和五个增长系数，再加上两个控制因素层一起作用于输入数据，能够较好地模拟城市的扩展。

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Some industry members contend that having 50 different sets of rules, licensing fees and even definitions of "medical practice" makes less sense in the era of telemedicine and is hampering its growth.

一些业内人士认为，在远程医疗的时代，50套不同的规则、不同的许可费用甚至是对“医疗实践”的不同定义都没有什么意义，并且阻碍了远程医疗的发展。

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And sometimes that means removing barriers to growth by lifting rules that place unnecessary burdens on business, but other times it means enacting common-sense safeguards like these -- like the Affordable Care Act -- to ensure our American belief that hard work and responsibility should be rewarded by a sense of security and fair play.

WHITEHOUSE: President Obama on Health Reform at Families USA

The growth in number of rules and their complexity has given rise to firewall policy management solutions from several vendors.

FORBES: Reduce Policy Complications to Enhance Security

Bottom line, the budgetary rules treating growth as a given instead of the all important variable for achieving budget balance have both sides of the aisle ignoring the most important question: What policy changes would achieve a sustained period of 4% growth?

FORBES: The Budget Stalemate Shows The Need For Monetary Reform