[angular2][ngModules]如何从其他模块调用元件？

import { NgModule } from '@angular/core';
import { CommonModule } from '@angular/common';
import { OtherComponent } from './other.component';

@NgModule({
  declarations: [OtherComponent],
  exports: [OtherComponent],
  imports: [CommonModule]
})
export class AppModule { }

import { NgModule } from '@angular/core';
import { CommonModule } from '@angular/common';
import { OtherComponent } from '../app.module';

@NgModule({
  declarations: [/* 其他组件 */],
  imports: [
    CommonModule,
    AppModule // 引入目标模块
  ]
})
export class HomeModule { }

<app-other></app-other>