Around the world, governments have subsidized the housing of middle and upper-income groups...全世界各国政府都为中高收入群体提供过住房补贴。Rice production duly expanded, greatly facilitated, it was thought, by subsidized credit.曾经有一种观点, 补贴信贷会...
General maser symbol. Maser amplifier, laser or laser generator can be specified.常规微波激射器符号. 可指定微波激射器放大器 、 激光器或激光发生器.Discusses a variety of thermodynamic and systematic processes that can affect maser microwave Cavity fre...