求翻译：一：新课改下化学实验的特点；二：化学实验教学的功能；三：新课标中实验与老教材中实验的对比；四：实验在实际教学中的优化。是什么意思？

: A new curriculum characteristics of chemical experiments;: chemical experiment teaching function; three: New Curriculum experimental comparison experiment with the old materials;: optimization of the experiment in the actual teaching.

A: The new class to the Chemistry lab; 2: chemistry labs; 3: The new class in the lab and in the materials lab comparisons; 4: experiment in the actual teaching in the optimization.

One: The new class changes chemistry experiment the characteristic; Two: Chemistry experiment teaching function; Three: In the new class sign experiment and in the old teaching material tests contrast; Four: Experiment in field research optimization.

: The characteristics of chemical experiment in new curriculum reform; II: chemical experimental teaching of function; three: new course standard experiment in comparison with experiments in the old teaching materials; IV: experiment in practical teaching of optimization.

正在翻译，请等待...