diff --git a/public/docs/ts/latest/guide/dependency-injection.jade b/public/docs/ts/latest/guide/dependency-injection.jade
index 794529f2f8..2bbb6fe358 100644
--- a/public/docs/ts/latest/guide/dependency-injection.jade
+++ b/public/docs/ts/latest/guide/dependency-injection.jade
@@ -159,7 +159,7 @@ block ctor-syntax
We also leveraged TypeScript's constructor syntax for declaring
parameters and properties simultaneously.
- 再次借助TypeScript的构造器语法来同时定义参数和属性。
+ 再次借助 TypeScript 的构造器语法来同时定义参数和属性。
:marked
Now we create a car by passing the engine and tires to the constructor.
@@ -205,7 +205,7 @@ block ctor-syntax
during each test:
`Car`类非常容易测试,因为现在我们对它的依赖有了完全的控制权。
- 在每个测试期间,我们可以往构造函数中传入mock对象,做想让它们做的事:
+ 在每个测试期间,我们可以往构造函数中传入 mock 对象,做想让它们做的事:
- var stylePattern = { otl: /(new Car.*$)/gm };
+makeExample('dependency-injection/ts/app/car/car-creations.ts', 'car-ctor-instantiation-with-mocks', '', stylePattern)(format=".")
@@ -415,7 +415,7 @@ block ctor-syntax
that create the services our application requires.
We'll explain what [providers](#providers) are later in this chapter.
- 我们必须通过注册**提供商 (provider)**来配置注入器,这些提供商为应用创建所需服务。
+ 我们必须通过注册**提供商 (provider)** 来配置注入器,这些提供商为应用创建所需服务。
在本章的稍后部分会解释什么是[提供商](#providers)。
We can either register a provider within an [NgModule](ngmodule.html) or in application components
@@ -519,7 +519,7 @@ block ctor-syntax
Angular injector to inject an instance of
`HeroService` whenever it creates a new `HeroListComponent`.
- 构造函数参数类型、`@Component`装饰器和父级的`providers`信息合起来告诉Angular的注入器,
+ 构造函数参数类型、`@Component`装饰器和父级的`providers`信息合起来告诉 Angular 的注入器,
任何新建`HeroListComponent`的时候,注入一个`HeroService`的实例。
#di-metadata
@@ -626,7 +626,7 @@ block ctor-syntax
//- FIXME refer to Dart API when that page becomes available.
- var injUrl = '../api/core/index/Injectable-decorator.html';
h3#injectable Why @Injectable()?
-h3#injectable 为什么要用@Injectable()?
+h3#injectable 为什么要用 @Injectable()?
:marked
**@Injectable()** marks a class as available to an
injector for instantiation. Generally speaking, an injector will report an
@@ -661,7 +661,7 @@ block injectable-not-always-needed-in-ts
ul(style="font-size:inherit")
li
p Future proofing: No need to remember @Injectable()
when we add a dependency later.
- p 面向未来: 没有必要记得在后来添加依赖的时候添加@Injectable()
。
+ p 面向未来: 没有必要记得在后来添加依赖的时候添加 @Injectable()
。
li
p Consistency: All services follow the same rules, and we don't have to wonder why #{_a} #{_decorator} is missing.
p 一致性:所有的服务都遵循同样的规则,不需要考虑为什么某个地方少了一个。
@@ -681,7 +681,8 @@ block injectable-not-always-needed-in-ts
identify a class as a target for instantiation by an injector.
我们**可以**添加它。但是没有必要,因为`HerosComponent`已经有`@Component`装饰器了,
- `@Component`(和随后将会学到的`@Directive`和`@Pipe`一样)是 Injectable 的子类型。实际上,正是这些`Injectable`装饰器是把一个类标识为注入器实例化的目标。
+ `@Component`(和随后将会学到的`@Directive`和`@Pipe`一样)是 Injectable 的子类型。
+ 实际上,正是这些`Injectable`装饰器是把一个类标识为注入器实例化的目标。
+ifDocsFor('ts')
.l-sub-section