This case study takes a look under the hood of these technologies, the development knowledge gained in their use, and lessons learned.
该案例研究不但揭开了技术层面的面纱，而且总结了开发中获得知识以及经验教训。
2
In either case, you're only going to be dealing with the public interface methods, so don't worry about what goes on under the hood.
不管使用哪种实现，您只需要处理公共接口方法，所以无需担心在外壳里面发生的事情。
3
Preferably two piece outer warm suit: breathable windproof parka with hood and breathable windproof pants. In this case you can always take your parka off when you find yourself in warm premises.