The QA process, though often relegated to a secondary position in the production pipeline, is emphasized as a critical component of the development process.
QA过程虽然在开发流水线上只是处于次要的地位，然而在书中也强调为开发过程中的一个关键的部分。
2
After you create the component and show it on the screen, you kick off a secondary thread to perform the task whose progress needs measuring.
在创建了这个组件并在屏幕上显示它后，启动第二个线程以执行需要测量其进度的任务。
3
On such a basis, the secondary effects caused by the tide are analysed with the calculation method for the component of strain presented.