prepackaging是什么意思

用法例句

This article mainly uses fpn-flat left R-modules to investigate the existences of relative preenvelopes of left R-modules.

通过fpn-平坦模类来研究模的相对预包络的存在性。

The existence of τ-flat test modules is proved, and some sufficient conditions for {τ-flat left R-modules} being preenvelope class or precove class are obtained.

证明了τ-平坦试验模的存在性,并给出了{τ-平坦模}构成预包络类或预覆盖类的几个充分条件。

Discussion on application of agar pre-embedding for preparing paraffin sections of tissues;

制备组织石蜡切片琼脂预包埋法的应用性探讨