怎样确定普通逻辑集成电路块的电源脚和地脚?
参考答案:
俯视普通逻辑集成电路块,且半圆缺口或点标记朝上,右侧最上的那个脚是电源脚,左侧最下的那个脚是地脚。
When the group discussion is nearing its end, make sure to ________ it with important points.
A.conclude
B.lead
C.avoid
D.hold
质量问题一般只涉及到原材料及最终产品。()