变化 1.(事物在形态或本质上产生新的状况) change; variety; transformation; variation; varying; alleosis; variance; alteration; modification 化学变化 chemical change; 物理变化 physical change; 气温的变化 variations of temperature; fluctuations of temperature; 呈现形式上的无穷变化 take on an infinite variety of form; 昼夜变化 daily variations; 可能变化 be capable of variation; 随 ... 而变化 variation with ...; 富于变化的 be full of variety; 我家乡有了很大的变化。 great changes have taken place in my home village. 他的文体缺乏变化。 his writing lacks variety.2.(改变, 更改) change; vary 变化无常 constantly changing; changing all the time; 他发球变化多端。 he's always changing his way of serving. 英格兰的天气常常变化。 the weather often changes in england.; 变化范围 range of variation; excursion; span; 变化率 rate of change; slewing rate; 变化模 changing pattern; 变化区域 region of variation; domain of variation; 变化性 variability; 变化运动 allassotonic (指成熟植物器官的运动)
So the decision of nuclear accident emergency is a typical complex system decision . only under the guide of scientific decision theories and methods , and taking the aid of computers as real - time decision - making tool , the need of nuclear accidents emergency can be fully satisfied 在时间紧、责任大、变化多的复杂情况下,只有采用科学的决策理论,并利用计算机实时在线支持决策系统,才有可能满足核事故应急决策的要求。