探试搜索 meaning in English

heuristic search

When high school students are solving chemical problems , they mainly adopt pattern - distinguish strategy , analysis - recursion strategy , detective - search strategy , try - mistake - strategy and intuition - thought strategy etc . and among them , the most frequently used strategy is pattern - distinguish strategy . only when students feel difficult or have no confidence in solving problem by using pattern - distinguish strategy , will they use other strategies . it shows that students " formed pattern of problem solving and the strategic knowledge of problem solving play an important role in the process of solving new chemical problems
中学生解决化学问题时，主要采用了模式识别策略、分析递归策略、探试搜索策略、有限试误策略、直觉思维策略等策略，其中模式识别策略使用频率最高，只有当学生对使用模式识别策略解决问题感到困难或没有把握时，才会选用其它解决问题的策略；这说明学生已有的问题解决的模式、解决问题的策略性知识在学生解决新的化学问题的过程中发挥着重要作用。