这就要改进其垃圾回收器，优化生成的代码，并改进其核心库。

This means improving the garbage collector, optimizing generated code, and improving the core libraries.

youdao

复杂查询字符串、范式优化和SQL的过程性质都通过JDO得以抽象，从而使开发小组可以将精力集中在他们的应用的持久性需求这个核心上。

Complex query strings, normal form optimization, and the procedural nature of SQL are abstracted via JDO, allowing a development team to focus on the core of their application's persistence needs.

youdao

转化率优化真正的核心是持续尝试，不断测试。

The real key to increasing conversion rate is to keep experimenting and keep doing tests.

youdao