Simultaneously has the security, the environmental protection, the economy, precisely, the nimble characteristic, is the substitution stave hammer's new generation high tech equipment.
同时具有安全、环保、经济、精确、灵活的特点，是替代破碎锤的新一代高科技设备。
Utilize the sensitivity and ergodic characteristic of the chaos map, a non-periodic and uniformity distributing multi-chart substitution is designed with multi-iterative equilibrium chaos map.
利用混沌映射具有对初值的敏感性和遍历性等特点，采用多次迭代的一维均衡混沌映射构造了一种非周期、均匀分布的多表代换密码。
The technological progress is embodied in changes in allocating of factors, while new production function by factors and change in marginal rate of substitution are basically characteristic of it.
生产要素的配置变化内生着技术进步，而农业技术进步的基本性质表现为由生产要素决定的新的生产函数和要素资源间边际技术替代率发生变动。
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