Gallium nitride is a binary III/V group direct bandgap semiconductor crystal and is the most commonly used material for general lighting LEDs and Blu-ray players. In addition, gallium nitride is also ...
As the title says, when people ask questions in some groups, they often find it difficult to solve them quickly. Instead, they talk nonsense a lot, which greatly reduces the efficiency of communicatio...
SOSO has been watching over her mother since Monday, so she didn't have a chance to come to the forum. As a result, everyone started arguing about Japan, which is so far away.
I don't think this is th...