With dynamic linking, it's not a problem to have multiple libraries that define the same symbol.
对于动态链接，多个库定义相同的符号没有问题。
2
For example, assume you have a ticker object with two attributes: symbol and price. This is how you can define the ticker object in javascript.
例如，假设有一个含两个属性的ticker对象：symbol和price。
3
You can also use included symbol files when you have existing resources with symbol definitions that use expressions rather than simple integers to define the symbol value.