经济行为
经济行为
水泥中掺入35%的增活粉煤灰,可以生产出42.5R粉煤灰硅酸盐水泥,经济效益和社会效益较好。
Although market share cannot replace market force, in light of its economical nature, it can act as a good representative under the circumstances when information is incomplete.尽管市场份额并不能替代市场力量,但其具备的经济特性使得其在信息不充分下可以作为市场力量的良好代理。