两层的

By organizing data block partition, two layer nested bintree were built.

在数据分的基础上构建了两层嵌套二叉树。

Two cell layers (diploblastic) separated by a gelatinous mesoglea.

两层细胞(两胚层)，中间是凝胶状的中胶层。

Millions of families have climbed a bracket or two.

数百万家庭的收入已提高了一两层。

A symmetrical ferromagnetic bilayer film is investigated under the nonperiodic boundary condition and considering anisotropic field at two surfaces,by using the rescaling interface approach.

在非周期性边界条件和在考虑表面各向异性的情况下,应用界面重参数化方法精确求解了两层对称铁磁薄膜中的低能自旋波本征问题。

It is found the suprasternal space should be enclosed by the superficial layer of the deep cervical fasciae and the fasciae of the infrahyoid muscles, rather than the past opinion of the textbook.

得出胸骨上间隙应是由颈深筋膜浅层和舌骨下肌筋膜围成，而不往教科书中描述的由颈深筋膜浅层分为两层附着胸骨形成。