[自定义提供者](fundamentals/custom-providers.md) [异步提供者](fundamentals/async-providers.md) [动态模块](fundamentals/dynamic-modules.md) [注入作用域](fundamentals/injection-scopes.md) [循环依赖](fundamentals/circular-dependency.md) [模块参考](fundamentals/module-ref.md) [懒加载模块](fundamentals/lazy-loading-modules.md) [应用上下文](fundamentals/execution-context.md) [生命周期事件](fundamentals/lifecycle-events.md) [跨平台](fundamentals/platform-agnosticism.md) [测试](fundamentals/testing.md)