分析下表，回答下列问题。

（1）日本经济的主要特征是                                                                                                                 。

（2）日本是世界上的经济强国，其工业发展的有利条件是：                                                                

                                                                                                                                                             。

（3）日本工业区主要分布在                     沿岸和                      沿岸。

（4）试从板块运动学说分析日本多火山、地震的原因                                                                           

                                                                                                                                                             。