Source:http://ritastatusreport.blogspot.nl/2015/10/bonuses-for-emblemsinscriptions.html
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Hello Warriors,
大家嚎，

in the next patch, 10.0 emblems and inscriptions will bring bonuses to the vehicles.
在下个补丁10.0中，徽章和标语会给车辆带来一些加成：

All logos and lettering printed on the equipment before the 10.0 update will remain on it and will bring real benefits: increase the level of the main speciality of the crew.
在10.0之前就已经在车上的那些标语会保留，而且提供奖励加成：提高乘员的主技能熟练度

There will be two types of bonuses:
加成一共有两种：

Constant  – a bonus to the proficiency of the crew main speciality, active throughout the fight;
常驻—一直生效，对乘员的主技能的熟练度提供加成

Time  – a bonus to the level of ownership of the main speciality of the crew, only activates under certain conditions, there are 10 of them.
时限—只在特定情况下对乘员的主技能熟练度提供加成，一共10种

Percentage of how they will affect the crew:
影响乘员熟练度的百分比：

• 1% for permanent total bonuses;
  常驻的全体1%的加成
• 2% * for temporary total bonuses;
  时限性的全体2%的加成
• 2% for regular individual bonuses;
  常驻的单人2%的加成
• 3% * for the temporary individual bonuses.
  时限性的单人3%的加成

Once activated they will appear on the exterior tab:
启用后会在车辆外观界面的左边予以显示：

Other features:
其他功能的说明：

• Same bonuses from various inscriptions and emblems are stacked.
  不同标语和徽记提供的加成是可以叠加的
• Logo or inscription, which gives a bonus to a particular crew member, will work for all the crew members of the same speciality (two loaders in the tank IS-7, for example).
  由标语或者徽记对特定乘员提供的加成是对所有同一职务乘员生效的（栗如IS-7有两个装填手）
• If a crew member combines several disciplines (for example, a tank commander and the radio operator at the same time), the bonuses will add up to a single speciality. (*)
  如果是那种一人身兼数职的话（栗如又是车长又是通讯兵），奖励只会叠加一次（下方说明）

(*) Commander/Radio Operator: If you add a Commander bonus of 2%, all crew bonus of 1% and Radio Operator bonus of 2% the total bonus percentage the Commander will receive is 3%.

车长/通讯兵的情况：如果有一个2%的车长加成，整体成员的1%的加成，还有2%的通讯兵加成的话，车长能够获得的加成一共是3%而不是5%。