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翻译：所罗门的恶梦
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The progression system that we presented in the previous issue of developers’ diaries has changed significantly. We did our best to improve it, taking your opinions and the results of the tests into account. These changes are still directed towards the same goals though we want to motivate the players to use planes of all ranks and nations while ensuring fair conditions when it comes to researching new models. We hope the improved system to become more comprehensible and better reflect the expectations of our community - your expectations.
本次更新的研发系统与我们在之前开发者日志中展示的东西有比较大的区别。我们根据玩家的意见及测试结果，去尽力改善了这个系统。这些改变并没有动摇我们最初的目标，那就是鼓励玩家去使用所有国家所有等级的飞机，同时保证在研究新飞机过程中游戏的平衡性。我们希望改进后的系统能够会更加容易上手，并且能够更好的反映各位玩家的期待。
The basic principle remains the same in order to access a new aircraft, a player earns Research Points (RP) by flying other planes, researching the next vehicle in line and modifications for the current one at the same time.
改进后的研发系统的基础原则与原先相同。为了获得新的飞机，玩家需要通过使用其他飞机来获得研究点数（RP），并在研究该升级路线上下一架飞机的同时，研发目前所使用飞机的改进模块。
So what exactly needs to be done to access a new aircraft Let’s take the American F4U-1d Corsair rank III fighter as an example. To obtain it a player needs to
以3级的F4U-1d Corsair为例，要获得此架飞机，玩家需要：
a) Unlock the rank the chosen aircraft belongs to. Thus the F4U-1d belongs to rank III, which means we should unlock and purchase 3 planes from rank II. Let us choose, for example, F4U-1a and F6F-3a from the same branch and premium A6M2.
a）解锁该飞机所在的等级。例如F4U-1d属于3级，这就意味着我们需要解锁并购买3架2级的飞机。例如我们选择同一条研发线路上的F4U-1a和F6F-3a，以及金币机A6M2。

b) Before we can take F4U-1d into flight we should research the plane itself choosing it from the other aircraft available for research. The process is similar to researching modifications, but research points will be from all the planes of the chosen nation you fly which will be used for research of the chosen aircraft.
b）在我们真正获得F4U-1d之前，我们必须从另一架已经可用的飞机上来研究F4U-1d本身。这个研究的过程很想我们研究改进模块的过程，但这里消耗的研究点数来自于本国家所有飞机所获得的研究点数。
This all means that experience gained for successful actions in combat gives access to new modifications of the plane a player is currently flying and brings him closer to unlocking another plane a player has chosen.
这就意味着，游戏中所有的收益将使得玩家能够解锁目前所使用飞机的改进模块，同时研发玩家所选择的新飞机。

We wanted to make the introduction of the new progression system non-problematic for both new and experienced players that is why all achievements, obtained modifications and planes will remain available when the 1.37 comes out, including those you unlocked but did not yet purchase!
我们希望新老玩家都能很顺畅的使用新的研究系统，所以我们决定所以玩家已经获得的成就、飞机及改进模块、以及已经解锁但没有购买的飞机，都将会被保留。

Modifications - useful, but not necessary
改进模块：有用，但并不是必须的
To open a new aircraft you don’t need to research modifications and upgrades of a previous one any more. You can research a new model by flying any other plane, but it is more effective to use aircraft of the same or close rank. However it is still beneficial to spend some time opening modifications, as unlocking a full tier of them will give a meaningful boost to the research of the next aircraft.
要获得一架新的飞机，玩家不需要研发完前一架飞机的所有改进模块。玩家可以通过使用其他飞机来研发新飞机，但最有效率的做法还是使用相同或者相近等级的飞机。当然，画上些时间来研究改进模块还是很有好处的，因为解锁某等级的所有改进模块会是的研究新飞机变得更加简单。

Follow the research branches
跟随研发路线
Researching an aircraft by flying the previous one in a research branch will also give you a significant boost to the amount of RP earned. For instance, flying F4U-1a to open the subsequent F4U-1d will greatly speed up the research.
在研发新飞机时，使用同科技树上的前一架可以让玩家获得更多的经验。例如，使用F4U-1a来研究F4U-1d会相对更有效率。