材料缺乏 meaning in Chinese

material shortage
materials shortage

For short of material , i try to seek and collect some clues from his poems as the theoretic basis
鉴于材料缺乏，本人从诗歌本身着手，从中辑佚、整理出线索，作为论述的依据。
Due to the unsuitable performance of the material used presently in rapid prototyping based on stereolithography ( sl ) process , the technology can not make the practical parts which are good in performances ( such as electrical - conducting , magnet - conducting ) and only used to models . these shortcomings block the generalization and application of this new technology seriously
目前光固化快速成型工艺所用的材料缺乏合适的性能，使得该工艺无法直接成型具有功能性(如导电性、导磁性等)的零件，加工出的零件一般只能作为模型，这严重阻碍了该种先进技术的推广与应用。