һλǰ˾ƹ̸IJƷ35ʵ35%40%ʸ, ˵ƷõĻ,10֮ʵ400%ĸ, ΪδӺҵĽǶȶԹϴ˴IJ.
һϿ˲Կҵľֻרע,ܲʵ35%40%ҵĸƷ, ͬʱҲ۲쵽ڷоиĸƻ, Ϊʵҵ֮·, ڷʵʩDZزٵ,ڴ,йѧԺԷչľ칫ҹϵ.

洦
㽫ѧϰҵþֵȷҵڵ˷. ȷϰ칫˷; ھֵ; δֵ; δְܲŽǶ˼; ư칫Ҿֵ ١
1. ҵþֵ.
ֵõ. 2. ⾫ֵ
νֵ ζ徫ֵķΧ 齨ֵŶ
3. 칫ھֵ
ͻϢ滯. ȷϺ. ѡָ оֳֵ ۲ÿȰ. ϵͳۺָ.
4. ְܲŽǶ˼
,гӪ ²Ʒ ɹͿ ų̺ Ʒʹ ɱ һ Դ. 5. ư칫δֵ
ͻҪʲô? ýһμЧָȷ? ЩֵЩ˷ѣ ڸСǰù
ڹʱԽȽпƣ
ζͻƽ. 6. ʵְ칫δֵ
ֵĿͬ˾Ӫָϵ;
ֽƻرջС;
űջִмƻ;
ƻͿ繦ִС;
ֵ. ʱ
2-12Сʱ ˭Ӧòμ
˿γֻ˾߲ɲμ:
ܲ C 첿; ܲ C
Դ; ̾; , 칫.
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