对于,的消费者用户来说，他们在购买数码相机时通常会优先考虑性价比。他们希望将预算尽可能多地投入到他们需要的功能上。虽然旗舰数码相机各方面都是顶配，但想想2-3万元的价格也不容易。尼康最近发布了全画幅微距相
after browsing the documentation for the sound classes, it seems there is no way to control sound pitch with Actionscript 3.0.there is only the ability to control 开发者_StackOverflow中文版volume and
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