The microwave solid state noise diodes are investigated based on the PN junction avalanche multiplication theory with tunneling penetration.
本文以带有隧道穿透的PN结雪崩倍增理论，研究了微波固体噪声二极管。
2
Mathematical method penetration and dominate all branches of natural science theory. It becomes more and more become a symbol of the primary measure of scientific achievements.
数学方法渗透并支配着一切自然科学的理论分支。它愈来愈成为衡量科学成就的主要标志了。
3
Penetration performance in surface layer of concrete target was analyzed by stress wave damage theory, calculating method base on "simplified equivalent resistance line" was presented.