Unfortunately, sorting out this complex matrix of issues goes way beyond the scope of this book.

不幸地是，本书并不讨论如何理清这么复杂的矩阵。

youdao

And the manufacturing technologies and defects were mainly commented, meanwhile, the future researching scope of the metal matrix composites was discussed.

评述了金属复合材料的制备技术和目前存在的问题，探讨了我国金属基复合材料未来的研究重点。

youdao