Is there an alternative application available that provides a functional equivalency?
是否有其他应用程序能够提供相似的功能？
Alternative architectures exist and should be evaluated with an expert based on all available information.
还有一些可供替代的架构，应该让具备所有相关可用知识的专家对它们进行评估。
A free SDK is also available as an alternative to the commercial Flex Builder.
另外还有一个免费的SDK可以作为商业的FlexBuilder的替代品。
A free SDK is also available as an alternative to the commercial Flex Builder.
另外还有一个免费的SDK可以作为商业的FlexBuilder的替代品。
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