作为目前广泛使用的耗时长的固体贴装预制件的代替品，一种用电镀共沉积得到的金锡合金共晶焊料被用于该项研究中。
As an alternative to the time-consuming solder pre-forms and pastes currently used, a co-electroplating method of eutectic au-sn alloy was used in this study.
变质岩中包含变品结构中的嵌晶多数集中于主晶中部，且晶粒大；
Poikilitic in the poikiloblastic texture of metamorphic rock most concentrate in the middle part of host and the grain size of crystal is large;
变质岩中包含变品结构中的嵌晶多数集中于主晶中部，且晶粒大；
Poikilitic in the poikiloblastic texture of metamorphic rock most concentrate in the middle part of host and the grain size of crystal is large;
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