损耗与事故：修订间差异

2021年2月19日 (五) 01:15的版本

Attrition is the loss of equipment — not manpower — during the course of a war when fighting on the offensive. While only land units suffer from attrition, air units may suffer accidents, especially when moving in harsh weather, resulting in loss of equipment.

Causes

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Training: 6% attrition.^[1]
Terrain: Up to 50% attrition.
Weather: Up to 70% attrition and +60% rate of air accidents.
Resistance: Up to 25% attrition.
Out of supply: Up to 30% attrition.^[1]

组织度的

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这部分内容可能已不适合当前版本，最后更新于1.8。

不论是否处于战斗中，损耗都会导致一支部队每小时损失 0.1 * 损耗 的组织度。

When out of supply, the division also suffers from an extra organization loss of 0.3 per hour scaled by out of supply progress, reaching full in 30 days.

装备的损失

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这部分内容可能已不适合当前版本，最后更新于1.8。

更高的可靠性会降低损耗导致的装备损失。

陆军单位

对于陆军, 每一种装备平均每小时遭受的损失(equipment loss per hour)是

[math]\displaystyle{ \text{equipment lost per hour} = 0.5 \cdot \text{attrition} \cdot P(\text{loss}) \cdot \max\{1, \text{number of equipment} \cdot P(\text{per type loss}) \cdot (1 - \text{reliability} )\} }[/math]

其中 P(loss) 和 P(per type loss) 分别为 ATTRITION_EQUIPMENT_LOSS_CHANCE (基础数值为0.1) 和 ATTRITION_EQUIPMENT_PER_TYPE_LOSS_CHANCE (基础数值0.1) 。参考来源： defines.

具体而言：

当可靠性小于1-10/装备总数时，损失由损耗、可靠性、装备总数共同决定： [math]\displaystyle{ \text{reliability} \lt 100\% - \frac{10}{\text{number of equipment}}, \frac{\text{equipment lost per day}}{\text{number of equipment}} = 12\% \cdot \text{attrition} \cdot (100\% - \text{reliability}) }[/math];

否则，仍会存在一个基本损失，仅由损耗决定： [math]\displaystyle{ \text{equipment lost per day} = 1.2 \cdot \text{attrition} }[/math].

例如，若损耗为100%、可靠性为0%, 则每天都会有12%的装备损失掉。

又例如，当可靠性为80%，（假设装备总数大于50且库存充足），100天的持续训练（这足够将1级训练为2或3级）将会损失14.4%的装备。

请注意，同一种装备的不同类型的损失是分开独立计算的，所以总损失会受到装备类型数的影响。这种情况会发生在你的部队使用了缴获的装备或者是不同变种的装备之时。

并且，基本损失相对于数量较小的装备而言，也会很大。比如说炮火支援连（12门）和重自行防空炮营（8辆）。例如，若损耗为100%，则炮火支援连每天都会损失10%，重自行防空炮营则为15%。

为了最小化装备损耗

To minimize equipment loss from attrition, it is enough to keep reliability of variant equipment types above [math]\displaystyle{ 1 - \frac{10}{\text{number of equipment}} }[/math] . This means 0% for 10 or under, 16.7% for 12 pieces, 58% for 24 pieces, 80% for 50 pieces, 95% for 200 pieces and so on. Therefore increasing reliability through variant equipment and using maintenance companies matters the most in large divisions using expensive equipments, like tanks. Also note that normal artillery has 50% reliability while rocket artillery has 80% reliability.

Air units

While aircraft do not suffer from attrition, they have a chance of accidents when taking off/landing. This is

[math]\displaystyle{ \text{accident chance} = 0.1\% \cdot \left( 100\% - \text{reliability} \right) }[/math]

or equal to 1% attrition for land units. Carrier-based aircraft suffer twice the accident rate. It can quickly turn into a major issue, chewing down through the pool of accessible planes regardless of how well the air combat goes.

Naval units

Ships do not suffer from attrition, but the reliability corresponds with probability of getting critically hit by enemy attack.

Methods to reduce equipment loss

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There are several ways to reduce the effects of equipment loss. One way is to improve reliability by attaching a Maintenance Company to a division or creating new variants of equipment, such as tanks, ships, or planes, with increased reliability. Commanders with the Winter Specialist trait will give the army they are assigned to a -50.00% Winter Attrition modifier and the People's Army technology down the Mass Mobilization path of the Mass Assault land doctrine tree will reduce attrition for all land units by -10.0%.

Custom difficulty settings

Adjusting the strength slider of a major country prior to a game will reduce the amount of attrition that that country's units will receive. However, doing so disables achievements.

Footnotes

↑ ^1.0 ^1.1 See in /Hearts of Iron IV/common/defines/00_defines.lua

机制

政治	意识形态 • 阵营 • 国策 • 内阁 • 政府 • 傀儡国 • 外交 • 全球紧张度 • 内战 • 占领区 • 情报机构 • 权力平衡

生产	贸易 • 生产 • 建设 • 装备 • 燃料 • 军工机构 • 国际市场

科研与科技

科研 • 步兵科技 • 辅助部队（支援连）科技 • 装甲车辆科技 • 火炮科技 • 陆军学说 • 特种部队学说 • 海军科技 • 海军学说 • 空军科技 • 空军学说 • 工程学科技 • 工业科技

军事与战争

战争 • 和平会议 • 陆军单位 • 陆战 • 编制设计 •

坦克设计 • 陆军计划 • 集团军 • 指挥官 • 作战计划 • 战术 • 海军单位 •

舰艇设计 • 海战 • 空军单位 •

飞机设计 • 空战 • 经验 • 军官团 • 损耗与事故 • 后勤 • 人力 • 核弹

地图	地图 • 省份 • 地形 • 气候 • 地区

事件与决议

事件 • 决议

hoi4de:Attrition and accidents hoi4es:Attrition and accidents hoi4fr:Attrition and accidents hoi4pl:Attrition and accidents hoi4pt:Attrition and accidents hoi4ru:Attrition and accidents

[defines-1] 1.0 ^1.1 See in /Hearts of Iron IV/common/defines/00_defines.lua

[1]

@@ 第20行： / 第20行： @@
  更高的可靠性会降低损耗导致的装备损失。
-=== Land units ===
+=== 陆军单位 ===
-For land units, the average rate of equipment loss per hour for each type is
+对于陆军, 每一种装备平均每小时遭受的损失(equipment loss per hour)是
 <math>\text{equipment lost per hour} = 0.5 \cdot \text{attrition} \cdot P(\text{loss}) \cdot \max\{1, \text{number of equipment} \cdot P(\text{per type loss}) \cdot (1 - \text{reliability} )\}</math>
-where P(loss) and P(per type loss) are respectively <code>ATTRITION_EQUIPMENT_LOSS_CHANCE</code> (0.1) and <code>ATTRITION_EQUIPMENT_PER_TYPE_LOSS_CHANCE</code> (0.1) sourced from [[defines]].
+其中 P(loss) 和 P(per type loss) 分别为 <code>ATTRITION_EQUIPMENT_LOSS_CHANCE</code> ( 基础数值为0.1) 和 <code>ATTRITION_EQUIPMENT_PER_TYPE_LOSS_CHANCE</code> ( 基础数值0.1) 。参考来源： [[defines]].
-To be specific, when <math>\text{reliability} < 100\% - \frac{10}{\text{number of equipment}}, \frac{\text{equipment lost per day}}{\text{number of equipment}} = 12\% \cdot \text{attrition} \cdot (100\% - \text{reliability})</math>; otherwise for high reliability equipment a base attrition applies regardless of the number of equipment: <math>\text{equipment lost per day} = 1.2 \cdot \text{attrition}</math>.
+具体而言：
-So for 100% attrition and 0% reliability, about 12% of equipment will be lost per day. At 80% reliability, 100 days of training (enough to go from Green to Trained, or halfway from Trained to Regular) will cost about 14.4% of equipment.
+当可靠性小于1-10/装备总数时，损失由损耗、可靠性、装备总数共同决定： <math>\text{reliability} < 100\% - \frac{10}{\text{number of equipment}}, \frac{\text{equipment lost per day}}{\text{number of equipment}} = 12\% \cdot \text{attrition} \cdot (100\% - \text{reliability})</math>;
-Note that a loss is calculated for each type of equipment independently so the total losses of all equipment scale with the number of equipment types. This will happen if your divisions use captured equipment or several variants of the same equipment class. Also, the base attrition is relatively large for units using equipment in small quantity, e.g. support artillery company (12 artillery) and heavy self-propelled anti-air battalion (8 armor).
+否则，仍会存在一个基本损失，仅由损耗决定： <math>\text{equipment lost per day} = 1.2 \cdot \text{attrition}</math>.
+例如，若损耗为100%、可靠性为0%, 则每天都会有12%的装备损失掉。
+又例如，当可靠性为80%，（假设装备总数大于50且库存充足），100天的持续训练（这足够将1级训练为2或3级）将会损失14.4%的装备。
+请注意，同一种装备的不同类型的损失是分开独立计算的，所以总损失会受到装备类型数的影响。这种情况会发生在你的部队使用了缴获的装备或者是不同变种的装备之时。
+并且，基本损失相对于数量较小的装备而言，也会很大。比如说炮火支援连（12门）和重自行防空炮营（8辆）。例如，若损耗为100%，则炮火支援连每天都会损失10%，重自行防空炮营则为15%。
+为了最小化装备损耗
 To minimize equipment loss from attrition, it is enough to keep reliability of variant equipment types above <math>1 - \frac{10}{\text{number of equipment}}</math> . This means 0% for 10 or under, 16.7% for 12 pieces, 58% for 24 pieces, 80% for 50 pieces, 95% for 200 pieces and so on. Therefore increasing reliability through variant equipment and using maintenance companies matters the most in large divisions using expensive equipments, like tanks. Also note that normal artillery has 50% reliability while rocket artillery has 80% reliability.