但是链梯法也存在很多缺陷。

But it also has many disadvantages.

youdao

随机准备金评估模型和传统链梯法有内在的联系。

There is the link between the chain ladder model and stochastic reserving method.

youdao

多让孩子爬爬不同的梯子——比如说，粗绳梯，链梯等。

Encourage lots of climbing on different kinds of ladders -- rope, chain, etc.

youdao

That there are two colors per strut, so what's linking the two backbones together are two colored segments that come from the outside towards the middle, and that the colors occur only in certain combinations, red and green, yellow and blue, that's all you see.

每个梯阶有两个颜色,主链是由,两种不同颜色的片段由外向内连接起来的,这些颜色仅以某种特定方式配对,红连接绿,黄连接蓝,大家都能看到

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