e. Precursor materials (i.e., special purpose polymeric or metallo-organic materials) for producing any phase or phases of the materials controlled by 1.C.7.c., as follows:
e. 原始材料（即特殊用途的聚合物或金属有机物），用来生产1.C.7.c.控制的材料的任意相，如下所述：