Back in Part 2, I showed how reflection is many times slower than direct code for both field access and method calls.
在第2部分，我展示了无论是对于字段访问还是方法调用，反射都比直接代码慢很多倍。
A simple method is proposed for obtaining full field-of-view rainbow reflection holograms in which a reflector is located at the back side of the object.
提出了一种摄制全视场彩虹—反射全息图的简单方法。通过在被记录物体的侧后方放置一反射镜来完成全视场记录。
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