所以引入了Model 2架构。

So the Model 2 architecture was introduced.

youdao

此外，为了使这个45平方米的一居室更适合主人的猫，他们想引入光线、绿植和具有不同高度的长架供它们玩耍。

In addition, they wanted to make the 45-square-metre studio flat suitable for the owner's cats by introducing light, greenery and long shelving at different heights for them to play on.

youdao

为便于与滚针轴承的滚针和保持架组件或外圈组件结合，内圈在滚道两侧有引入槽。

To facilitate their combination with needle roller and cage assemblies or the outer ring assembly of needle roller bearings, they have a lead-in at each side of the raceway.

youdao