求翻译：其中，SnO2及CuO的共掺杂改善了金属相和陶瓷基体的润湿结合，能够比较充分地发挥金属相高韧性、高抗热震性的优点；SnO2及BaO的共掺杂使得金属陶瓷的各方面性能都有较大幅度地提升；而SnO2及TiO2的共掺杂对金属陶瓷的制备和性能的影响程度则较小，添加有TiO2的试样与未添加TiO2的试样在体积密度、气孔率、抗弯强度、抗热震性及电导率等五个方面都没有很明显的差异。就三种不同组合的复合添加剂而言，是什么意思？

Among them, the Co-doped sno2 and cuo improve the wetting of metal and ceramic matrix, and be able to fully play the metal phase of high toughness, high thermal shock resistance of advantages; of sno2 and bao doping makes the metal-ceramic all aspects of performance has a more substantial increase;

Of these, SnO CuO2 and mixed with the improvement of the metal, and ceramic substrate wetting, and to be able to more fully to play metal-to-high-tenacity, high thermal shock resistance, BaO SnO2 and mixed with the metal-ceramic makes all aspects of the performance, there is a substantial raise, and

Among them, SnO2 and CuO altogether doping improved the metallographic phase and the ceramic substrate moist union, can display the metallographic phase toughness, the high heat-resistant knocking merit quite fully; SnO2 and BaO altogether doping enables the cermet various aspects performance all to

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